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factorise x power 4 -16

Posted by Siddhaarth Ganesh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

#Joel Wilson 7 years, 1 month ago

(x²)² - (2 ²)² = (x² + 2²)(x² - 2²) = (x² + 2²)(x + 2)(x - 2)

Shubham Sharma 7 years, 1 month ago

(x power2)power2 - 4 ka whole square (x square+4)(x square-4) ( 3rd identity)

ANSWER

factorise x square - 4x- 5

Posted by Siddhaarth Ganesh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 7 years, 1 month ago

x² - 4x - 5
= x² - 5x + 1x - 5
= x(x -5) + 1(x -5)
= (x + 1) ( x - 5)

ANSWER

Factorise (X square - 144 ) please answer it fast and correct.

Posted by Siddhaarth Ganesh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 7 years, 1 month ago

x² - 144
= x² - (12)²
= (x - 12)(x + 12) [a² - b² = (a- b)(a +b)]

ANSWER

(x+2)=24

Posted by Yadu Bhatia 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Naman Verma 7 years, 1 month ago

X=24-2 X=22

Manan Lalwani 7 years, 1 month ago

X=24-2=22

ANSWER

The perimeter of rectangle is 13cm and its width is 2 3/4cm.Find its length

Posted by Dharam Pal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

Perimeter of rectangle= l × b 13 = l × (11/4) l = 13 × 4/11 l = 52/11

ANSWER

The sum of a two digit number is 9. The number is 6 times the units digit. Find the number

Posted by Jayanthy Sankara Narayanan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Sangeeta Rani 7 years, 1 month ago

3

ANSWER

2xy + 3 y = 5

Posted by Pushkar Mother Name Anjali Patidar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

What is the difference between pythagoras thearm and

Posted by Sai Spurthi 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Sai Spurthi 7 years, 1 month ago

Its not the correct question sorry

ANSWER

What iz d qb root of 888

Posted by Sai Spurthi 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Sangeeta Rani 7 years, 1 month ago

888 has not a perfect cube root

ANSWER

Cube root of 140 * 2450

Posted by Kuldeep Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Yogita Ingle 7 years, 1 month ago

140 × 2450
= 14 × 10 × 50 × 49
= 7 × 2 × 5 ×2 × 5 × 5 × 2 × 7 × 7
3√140 × 2450 = 7 × 5 × 2 = 70

Jal Singh 7 years, 1 month ago

70

ANSWER

How to do factorise. with steps.

Posted by Ankush Barua 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Tushar Garg 7 years, 1 month ago

Give a question first then i will tell u how to factorize

ANSWER

How many numbers lie between squares of 99 and 100

Posted by Ramdulare Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Jay Jay 7 years, 1 month ago

198 is correct answer for this question

V Siva 7 years, 1 month ago

198

Varsha Saini 7 years, 1 month ago

198

Jal Singh 7 years, 1 month ago

198

ANSWER

The ratio between the radius of the base and the height of a cylindrical pillar is 4 ratio 3 if its volume is 4851 M cube find the curved surface area of the pillar

Posted by Sweety Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

The value of 2

Posted by Ajay Choudhary 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Jay Jay 7 years, 1 month ago

1+1=2 the value of two equals 1+1

Sweety Singh 7 years, 1 month ago

2

Navya Sree 7 years, 1 month ago

2 is a number or it is in one's place

Aryan Patnayker 7 years, 1 month ago

2+2

ANSWER

P

Posted by Ajay Choudhary 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Krishna Kajolika 7 years, 1 month ago

what this question mean?

ANSWER

x:6 = x+2

Posted by Kartik Sarswat 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Kartik Sarswat 7 years, 1 month ago

I understand the question,see: x:6=x+2 x/6=x+2 x=6 (x +12) x=6x +72 6x-x=72 5x=72 x=72/5

#Joel Wilson 7 years, 1 month ago

Question is wrong

Kartik Sarswat 7 years, 1 month ago

but how?

Jasmina Parbin 7 years, 1 month ago

X=1

ANSWER

x4 - (x-z)4

Posted by Manoji Sharma 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Aman age is three time his son age. Ten years ago he was five times his son age find their age.

Posted by Sonu Rawat 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Isha Sharma 7 years, 1 month ago

Let his son's age be x: Aman's age=3x Son's age =x Before 10 years: Aman's age=3x-10 Son's age=x-10 A.T.Q 5(x-10)=3x-10 5x-50=3x-10 5x-3x=-10+50 2x=40 x=40/2 =20 So,Aman's age =3×20=60 His son's age=20

ANSWER

Can a polyhedron have 10 faces,20 edges and 15 vertices

Posted by G.Dinesh Reddy 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Jal Singh 7 years, 1 month ago

No. Because Faces+Vertices-Edges=2

ANSWER

A positive number is 5 times another number .if 21 is added to.both. The new numbers becomes twice. The other new. Number . What are. The numbers?

Posted by Swarali Patil 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Jal Singh 7 years, 1 month ago

Let the number be x. So, 5x+21=2(x+21) 5x+21=2x+42 5x-2x =42-21 3x=21 x=7

ANSWER

Check whether inverse and direct 9 area of cultivator land and crop harvested

Posted by Santha Kumar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Lakshya Raikwal 7 years, 1 month ago

Direct

ANSWER

Factories 121x^2-100y^2

Posted by Arunitha Mohan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

= (11x)² - (10y)² (11x + 10y)(11x - 10y)

ANSWER

2x + 3x

Posted by Sowndhariyan S.J Sowndhariyan S.J 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Jay Jay 7 years, 1 month ago

X is common for 2&3 so we add by 2+3 & multipled by x equals 5x

Shahzaib Raza 7 years, 1 month ago

5x

ANSWER

Find the square of=47

Posted by Ravi Rathore 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

#Joel Wilson 7 years, 1 month ago

47 × 47 = 2209

Krishna Kajolika 7 years, 1 month ago

47 is not a perfect square

ANSWER

Find the area of rombus whoea base is 27 altitude 206

Posted by Vipul S Tiwari Tiwari Vipul 7 years, 1 month ago

CBSE > Class 08 > Mathematics

3 answers

#Joel Wilson 7 years, 1 month ago

Answer = 27 × 206 = 5562

#Joel Wilson 7 years, 1 month ago

? WRONG

Durga Deshmuk 7 years, 1 month ago

1/2×d1×d2=1/2×27×206=2781

ANSWER

How much money has to be paid to labor by the village authorities for digging a well of radius 3.5m and height 10m at the rate of rupes 30 per meter cube

Posted by Tanmay Sharma 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Sum of two numbers is 95. If one exceeds the other by 15, find the number?

Posted by Parth Bhatt 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Anuja Patil 7 years, 1 month ago

Let one number be 'x' Another number be 'x+15' A/Q X+x+15 =95 2x = 95 - 15 2x =80 X = 80÷2 X = 40 So,one number = 40 And another number =x+15 = 40+15 =55

Jagadis Choyal 7 years, 1 month ago

70

ANSWER

A squre lawn is surrounde by a path 2.5 m wide .If the area of the path is 165 m2 ,find the area of the lawn

Posted by Mithu Murmu 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

An open cylindrical tank is of radius 2.8cm and height 3.5cm. What is capacity of the tank

Posted by Creative Ideas & Thinkings 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Deepak Kaushik 7 years, 1 month ago

Solve by formula Pie radius sqare multiply height

ANSWER

X+12=x

Posted by Chand Parveen 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Chand Parveen 7 years, 1 month ago

Wrong question

ANSWER

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