How do we solve the cubic equation x^3=64? Do we simply take the cube roots to both sides and get x=4? But that's just one answer, where are the other two complex answers? Remember when we solve a quadratic equation by taking the square roots on both sides, we need to put a +, and - on the right-hand side. But what do we REALLY need to do when we solve a cubic equation by taking the cube roots on both sides?
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