Question

Choose the product.

-7p3(4p2 + 3p - 1)

-28p5 - 21p4 + 7p3
28p6 + 21p3 - 7p
21p3 + 8p2 + 3p4 - 8p
-21p5 + 8p4 - 3p3

Answer 1

-7p3(4p2 + 3p - 1)

=(-7p3)*4p2 + (-7p3)*3p - (-7p3)*1)
=-28p^5 - 21p^4 + 7p^3