Question

The result of (x-2) (x+2) is;

Answer 1

`x^(2) -4`

Explanation:

(x - 2)(x + 2)

You multiply the first terms (x and x), the outer terms (x and 2), the inner terms (-2 and x) and the last terms (-2 and 2).

This becomes:

`x^(2) + 2x - 2x-4`

Which simplifies to:

`x^(2) -4`