Algebra Examples

$r^{3} + m^{3}$

Step 1

Since both terms are perfect cubes, factor using the sum of cubes formula, $a^{3} + b^{3} = (a + b) (a^{2} - a b + b^{2})$ where $a = r$ and $b = m$ .

$(r + m) (r^{2} - r m + m^{2})$