Algebra Examples

$c^{2} - 25$

Step 1

Rewrite $25$ as $5^{2}$ .

$c^{2} - 5^{2}$

Step 2

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = c$ and $b = 5$ .

$(c + 5) (c - 5)$