Question

Need help Algebra 2!

Answer 1

-x³ + 2x + 7

2x^5+x^4-x³+6x²+3x-3

Explanation:

For #10:

(f-g)(x) = f(x) - g(x)

x³-2x+3 - (2x³ + 4x - 4)

-x³ + 2x + 7

For #11:

(f·g)(x) = f(x) * g(x)

(x³+3)(2x²+x-1) = 2x^5+x^4-x³+6x²+3x-3