Question

solve using identity (2x+5) (2x+5)​

Answer 1

$(2x + 5)(2x + 5)$

$4 {x}^{2} + 10x + 10x + 25$

$4 {x}^{2} + 20x + 25$

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Answer 2

Answer:

by the identity (a+b)^2

a^2+2ab+b^2

(2x)^2+2(10x)+ (5)^2

4x^2+20x+25 is the correct answer.