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Simplify x(2x-1)+5 and find its value …

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Simplify x(2x-1)+5 and find its value at x=-2

Posted by Anjali Yadav 5 years, 7 months ago

CBSE > Class 08 > Mathematics

2 answers

Gaurav Seth 5 years, 7 months ago

S o l u t i o n :
When x = -2

Then,

x ( 2 x-1 ) + 5

-2 ( 2 ( -2) -1) + 5

-2 ( -4 - 1) + 5

-2 ( -5 ) + 5

+ 10 + 5

A n s w e r : 15

Sakshi Sharma 5 years, 7 months ago

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