Question

Question #86352

Answer 1

`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))`