Math, asked by kathirvijayalakshmi7, 2 months ago

[x+3] [x+7]using identity

Answers

Answered by Anonymous

1

Step-by-step explanation:

IDENTITY =

(x+a) (x+b) = x²+(a+b)x+ab

a = 3

b = 7

x²+(3+7)x+3×7

x²+(10)x+21

x²+10x+21 Answer

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