Question

simplificando a expressao algebrica x^2-16/x^2+5x-36

Answer 1

$\frac{ x^{2} -16}{ x^{2} +5x-36}$

Bom se for assim...

$\frac{(x-4)(x+4)}{ x^{2} +9x-4x-36} \\ \frac{(x-4)(x+4)}{x(x+9)-4(x+9)} \\ \frac{(x-4)(x+4)}{(x-4)(x+9)}$
R: $\frac{x+4}{x+9}$