Question

Expand 2x^2-32
using formula-
(a+b)^2= a^2+2ab+b^2 (or)
(a-b)^2= a^2-2ab+b^2 (or)
(a+b)(a-b)=a^2-b^2

Answer 1

Answer:

let a be root2x

b be 4root 2

by using third identity

we get 2x^2 -32