Question

factor the difference of two cubes.
x^3-729

Answer 1

use the difference of 2 cubes formula:\[a^3-b^3=(a-b)(a^2+ab+b^2)\]in your case, \[a=x, b=9\]

Answer 2

thanks Joe!

Answer 3

thanks for my medal. although i didnt do anything...

Answer 4

\[(x-9) (10 x+81)^2 \]