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Factorise : x²+2x-15

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Factorise : x²+2x-15

Posted by Tanupreet Kaur 5 years, 4 months ago

CBSE > Class 08 > Mathematics

2 answers

Rahul Gupta 5 years, 4 months ago

x^2+2x-15 Middle term split =x^2+5x-3x-15 =(x^2+5x)(-3x-15) =x(x+5)-3(x+5) =(x+5)(x-3)answer

0Thank You

Yogita Ingle 5 years, 4 months ago

To Factorise : x²+2x−15

By splitting the middle term

=x²+5x−3x−15

=x(x+5)−3(x+5)

=(x−3)(x+5)

So, x²+2x−15=(x−3)(x+5)

1Thank You

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CBSE > Class 08 > Mathematics