Math, asked by sana4u, 10 months ago

factorise using formula when the given expression is a perfect square 4x^2+20x+25

Answers

Answered by divyakurtkoti

0

Hi

4x²+20x+25

(2x)²+20x+5²

Using identity a²+2ab+b²=(a+b)²

2x²+2(2x)(5)+5²= (2x+5)²

Final answer=(2x+5)²

Hope it helps you

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