Question

05) (x+2). (x2 - x - 2)=
(A) X2 + x2 - 4x - 4.
(B) -X8 + x2 - 4x - 4.
(C) X3 + x2 - 4x - 4.
(D) X3 + x2 + 4x - 4.​

Answer 1

$(x + 2) \times ( {x }^{2} - x - 2) =$

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

${x}^{3} - {x}^{2} + 2 {x}^{2} - 2x - 2x - 4 =$

${x}^{3} + {x}^{2} - 4x - 4$

Resposta correta: letra C

Answer 2

Resposta:

c..................