Question

simplifique a expressão x^2-36:x^2-12x+36

Answer 1

Fica assim:

$\dfrac{x^2 - 36}{x^2 -12x + 36} \\ \\ \\ \dfrac{(x - 6) *(x + 6)}{(x- 6)*(x - 6)} \\ \\ \\ => \dfrac{x + 6}{x - 6}$