Factor m^2-4 - MathMaster

$m^{2} - 4$

Rewrite $4$ as $2^{2}$ .

$m^{2} - 2^{2}$

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

$(m + 2) (m - 2)$

Factor m^2-4

Download our
App from the store