Question

Help past due!

Multiply the polynomials (5a² + 2a − 7) and (3a² − a + 1). Simplify
the answer.

Answer 1

C

Explanation:

Use the distributive property to solve.

(5a²+2a-7)(3a²-a+1)

=15a⁴-5a³+5a²+6a³-2a²+2a-21a²+7a-7

=15a⁴+a³-18a²+9a-7