Question

Сократите дробь пж

x³+3x²-4x-12
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋
(x-2)*(x+3)

Answer 1

$frac{x^3+3x^2-4x-12}{(x-2)(x+3)}=frac{x^2(x+3)-4(x+3)}{(x-2)(x+3)}=frac{(x+3)(x^2-4)}{(x-2)(x+3)}=frac{(x-2)(x+2)}{x-2}=x+2$