Question

Simplify: (2x + 5)2 – (2x - 5)2.​

Answer 1

Step-by-step explanation:

(2x+5)2 - (2x-5)2

(10x+10)-(10x-10)

Equip Formula.

{a+b}{a-b}={a^2-b^2}

(10x^2 - 10^2)

(100x^2 - 100)