Cubic Equation :the difference of cubes identity  

A cubic equation is a polynomial equation of degree 3 and so must have 3 solutions. In this exercise we shouldn't make the mistake of dividing both sides by 2 and then taking the cube root of both sides. This will give only one result. We should bring everything to one side and then factorize. This will then give us a cubic equation for us to solve using the difference of cubes identity. ‪@EndzeMathsSolutions-mp1wn‬