Question

(x2-3x-4)(x+1) resposta

Answer 1

Resposta:

(x² - 3 x - 4) (x + 1)

x² . (x + 1) - 3 x . (x - 1) - 4 (x + 1)

x³ + x² - 3 x² - 3 x - 4 x - 4

x³ - 2 x² - 7 x - 4