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

well..-3z^2*z=-3z^3
-3z^2*2=-6z^2

Answer 2

-4*z^2=-4z^2
-4*1=-4

Answer 3

alll you have to do now is combine like terms

Answer 4

It's D ) thank you :)

Answer 5

np