Question

efetuando-se a+ab/x² ÷ 2+2b/3x :

Answer 1

$\dfrac{a+ab}{x^2} \div \dfrac{2+2b}{3x}\\\text{Multiplica a primeira pelo inverso da segunda}\\\dfrac{a+ab}{x^2} \times \dfrac{3x}{2+2b}\\\dfrac{a+ab}{x} \times \dfrac{3}{2+2b}\\\dfrac{3a+3ab}{2x+2bx}$

Espero ter sido útil