What is the expanded form of (a - b) cubed?

A a cubed minus a squared b plus a b squared minus b cubed

B a cubed plus a squared b plus a b squared plus b cubed

C a cubed plus 3 a squared b plus 3 a b squared plus b cubed

D a cubed minus 3 a squared b plus 3 a b squared minus b cubed

Question

Tessa Weiss

5 February, 21:38

+3

Answers (1)

Know the Answer?

Alice Faulkner · Answer 1

(a-b) ³=a³-3a²b+3ab²-b³

which is option D

What is the expanded form of (a - b) cubed?A a cubed minus a squared b plus a b squared minus b cubedB a cubed plus a squared b plus a b squared plus b cubedC a cubed plus 3 a squared b plus 3 a b squared plus b cubedD a cubed minus 3 a squared b plus 3 a b squared minus b cubed