you multiply term by term...
(x^2 )(2x^2 - x + 2)+x(2x^2 - x + 2)-(2x^2 - x + 2)
then gather like terms.
How do I do this problem?
(x^2 + x -1)(2x^2 - x + 2)
The answer is
2x^4 + x^3 - x^2 + 3x - 2
I just don't know how to get to it.
1 answer