Question #86352

1 Answer
Jan 18, 2018

4(x+sqrt(2))(x-sqrt(2))

Explanation:

You would factor the 4 from 4x^2-8 and get 4(x^2 -2).

Inside the brackets is x^2-2.

x^2-a=(x+sqrt(a))(x-sqrt(a))

4(x+sqrt(2))(x-sqrt(2))