Algebra Examples

$(1 - x^{2})$

Step 1

Remove parentheses.

$1 - x^{2}$

Step 2

Rewrite $1$ as $1^{2}$ .

$1^{2} - x^{2}$

Step 3

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = 1$ and $b = x$ .

$(1 + x) (1 - x)$