Question

What is the simplified form of –3z^2(z + 2) – 4(z^2 + 1)?
a.) –7x^2 + 1
b.) –3z^3 – 4z^2 – 6z – 4
c.) –3z^3 – 2z^2 – 4
d.) –3z^3 – 10z^2 – 4

Answer 1

Distribute -3z^2 by the left parentheses and -4 by the right parentheses. Then combine like terms.

Answer 2

d.) –3z^3 – 10z^2 – 4

Answer 3

download the app mathway