Question

division polinomios...
(-8a^2+12ab-4b^2) ÷ (b-a)

Answer 1

Primero debes factorizar
$= \frac{(-8 a^{2}+12ab-4b^{2})}{b-a} \\ \\ = \frac{-4(a-b)(2a-b)}{b-a} \\ \\ = 4(2a-b)$