Question

Sean F(x) = 2,7x3 + x + 2; G(x) = –4x3 + 2x2 – 0,6x

y H(x) =–x3 – 2.

Calcula F(x) – G(x) + H(x).

Answer 1

F(x) – G(x) + H(x).

(2,7x3 + x + 2)-(–4x3 + 2x2 – 0,6x)+(–x3 – 2)

2.7x3 + x + 2 + 4x3 - 2x2 + 0.6x - x3 - 2

x3(2.7+4-1) - 2x2 +x(0.6+1)

5.7x3 -2x2 + 1.6x