how do you factor our a cube?

x^3 +8

2 answers

memorize this pattern

A^3 + B^3 = (A+B)(A^2 - AB + B^2)

A^3 - B^3 = (A-B)(A^2 + AB + B^2)
x^3 +8
=> x^3 + 2^3
now apply the formula of a^3 + B^3