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(X+4)(x+10),solve using identity.

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(X+4)(x+10),solve using identity.

Posted by Chandan Dwivedi 6 years, 6 months ago

CBSE > Class 09 > Mathematics

3 answers

Yogita Ingle 6 years, 6 months ago

(x + a) (x + b) = x² + (a+b)x + ab
(X+4)(x+10) = x² + (10+4)x + 10(4)
= x²+ 14x + 40

Mihir Kumar 6 years, 6 months ago

x whole square + 14x + 40

Mihir Kumar 6 years, 6 months ago

(x) whole square + (4+10)x + (4×10) =x whole square + 14x + We have to use the identity (x+a)(x+b)= x whole square + (a+b)x + (a×b)

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