Question

divide.
$(15r^{2} - 90r) \div (r - 6)$

Explanation:

Step1: Factor numerator

$15r^2 - 90r = 15r(r - 6)$

Step2: Cancel common factor

$\frac{15r(r - 6)}{r - 6} = 15r$ (where $r
eq 6$)

Answer:

$15r$ (with the restriction $r
eq 6$)