Question

determine o valor A=x²+1 B=-2x²+x+2 A)A.B=

Answer 1

(x^2 + 1)  (-2x^2 + x + 2) =
-2x^4 +x^3 + 2x^2 - 2x^2 + x + 2=
-2x^4 + x^3+ x + 2