Question

solve by suitable identity (7x+10y)^2​

Answer 1

Answer:

49x²+ 100y²+2.7x.10y.

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Answer 2

Step-by-step explanation:

by using ( a+ b)2 = a²+ 2ab + b²

( 7x)² + 2 x 7x x 10y + ( 10y)²

49x² + 140xy + 100y2

I hope it' s help you