Question

Can someone tell me if I'm correct. Let f(x) = 1 - x + x^2 and g(x) = 1 + x. Then f(x)g(x) equals 1 - x + x^2 + x^3?

Answer 1

Yes this is correct

Answer 2

(x+1)(x^2+x-1)
x^3+x^2-x+x^2+x-1
-x and x cancel and you combine the x squared.

Answer 3

Mmkay thank you :)