Factor 36-y^2

$36 - y^{2}$

Step 1

Rewrite $36$ as $6^{2}$ .

$6^{2} - y^{2}$

Step 2

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = 6$ and $b = y$ .

$(6 + y) (6 - y)$