Question

Simplifique a fração: mx² - m³ / nx² - m²n

Answer 1

$\dfrac{mx^2 - m^3}{nx^2 - m^2n}$

Fatorar os termos:

$\dfrac{m(x-m)(x + m)}{n(x - m)(x + m)}$

Corta os termos semelhantes:

$\dfrac{m(x\not -m)(x \not + m)}{n(x \not - m)(x \not + m)} \\ \\ \\ => \dfrac{m}{n}$