Question

How to solve 8x^3-27=0

Answer 1

8x³-27=0
8x³=27
x³=27/8
x=∛27/∛8
x=3/2

Answer 2

Factor using difference of cubes, and set each factor equal to 0.
x=(-3+3i\sqrt(3))/(4),(-3-3i\sqrt(3))/(4),(3)/(2)