Question

how to factor x^3+8????????????

Answer 1

just like the last one

Answer 2

\(a^3+b^3=(a+b)(a^2-ab+b^2)\) your job is to figure out what \(a\) and \(b\) are in this example
it is pretty clear that \(a=x\) since \(a^3=x^3\)
what is \(b\) ?

Answer 3

8

Answer 4

oh no, \(b^3=8\) you need \(b\)

Answer 5

\(x^3+8\)
\[a^3+b^3\]

Answer 6

b=2

Answer 7

got it!

Answer 8

so take \((a+b)(a^2-ab+b^2)\) and replace \(a\) by \(x\) and \(b\) by \(2\)

Answer 9

(x+2)(x^2+2x+4)

Answer 10

sorry (x+2)(x^2-2x+4)

Answer 11

yes

Answer 12

is your picture a visual pun?

Answer 13

no

Answer 14

oh, thought it might be "lulu's back, in town"

Answer 15

haha i never thought of it that way, but i like it!