Question

Descubra o valor numérico de: 4x . (3x 2 + 2x + 1) – 2. (6x 3 + 4x 2 + x) para x = - 3.

Answer 1

Resposta:

-58

Explicação passo-a-passo:

4x . (3x 2 + 2x + 1) – 2. (6x 3 + 4x 2 + x)

4(-3) . (3x 2 + 2.-3 + 1) – 2. (6x 3 + 4x 2 + (-3))

-12 . (6 -6 + 1) – 2. (18 + 8 -3)

-12 . (+ 1) – 2. (23)

-12 - 46 = -58.