(a + b)^3 = ? (formula and example) [cube of binomial] [binomial expansion]

Slide 02:
a plus b cubed is
a cubed
plus three a squared b
plus three a b squared
plus b cubed.

Slide 03:
x plus two cubed is
x cubed
plus three times x squared times two
plus three times x times two squared
plus two cubed.

Slide 04:
Which is,
x cubed
plus six x squared
plus twelve x
plus eight.