Math, asked by chokshichetnaben, 5 months ago

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Q-2 Multiply the following using appropriate identities.
3. (x + 7) (x + 7)
4. (3x + 1) (3x -8)

Answers

Answered by Srivaishnavimasna

1

we know that (x+a)(x+b)=x^2+(a+b)x+ab

then

(x+7)(x-7)

x^2-49

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