Factor x^2-169

$x^{2} - 169$

Step 1

Rewrite $169$ as $13^{2}$ .

$x^{2} - 13^{2}$

Step 2

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = x$ and $b = 13$ .

$(x + 13) (x - 13)$