Question

sejam os polinômios f(x) = 2x+3, g(x) = -4x+5 e h(x) = 3x2-5x+4. Determine o polinomio p(x) = f(x)*g(x)+h(x).

Answer 1

$P(x)=f(x).g(x)+h(x)\\P(x)=(2x+3).(-4x+5)+3x^2-5x+4\\P(x)=-8x^2+10x-12x+15+3x^2-5x+4\\P(x)=-5x^2-7x+19$