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Transcript:

01:

a squared

plus 2 ab

plus b squared,

equals:

a plus b, all squared.

02:

a squared

plus 2 ab

plus b squared,

equals:

a plus b, all squared.

03:

a minus b, all squared,

equals:

a squared

minus 2 ab

plus b squared.

04:

a squared

minus 2 ab

plus b squared,

equals:

a minus b, all squared.

05:

a plus b

times

a minus b

equals

a squared minus b squared.

06:

a squared minus b squared

equals

a plus b times a minus b.

07:

a plus b, all cubed,

equals

a cubed

plus 3 a squared b

plus 3 a b squared

plus b cubed.

08:

a cubed

plus 3 a squared b

plus 3 a b squared

plus b cubed

equals

a plus b, all cubed.

09:

a minus b, all cubed

equals

a cubed

minus 3 a squared b

plus 3 a b squared

minus b cubed.

10:

a cubed

minus 3 a squared b

plus 3 a b squared

minus b cubed

equals

a minus b, all cubed.

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