Question

(2x+5) square by using identity 1 in algaebric expression

Answer 1

Answer:

4x²+20x+25

Explanation:

(a+b)²= a²+2ab+b²

(2x+5)² =(2x)²+2(2x×5)+(5)²

(2x+5)²= 4x²+20x+25