Question

Resolva:
a)(2 - x)(4 + 2x + x^2)=
b)(x - 6)(x^2 + 6x + 36)=​

Answer 1

Resposta:

a)

$\sf (2 - x)(4 + 2x + x^2) = 8 + 4x + 2x^{2} - 4x - 2x^{2} - x^{3} = - x^{3} + 8$

b)

$\sf (x - 6)(x^2 + 6x + 36) = x^{3} +6x^{2} + 36 - 6x^{3} - 36x - 216 = -5x^{3} +6x^{2} -36x -180$

Explicação passo-a-passo: