Question

Question #bfea3

Answer 1

The answer is `(x + 1)(x - 1)`

Explanation:

`-x^2 + 3 = (2*-1)^2` can be written as `0 = x^2 -3 + 4`
which gives `x^2 + 1`
This can be simplified as `x^2 + 1^2`
and can be factorized as `(x + 1)(x - 1)`