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Solving an Equation with Radicals - Problem 9 228 views
If one side of an equation has a cube root, we can "undo" the root by cubing both sides of the equation. This works because a cube root represents an exponent of 1/3, so cubing that term would make the exponent 1. Recall that cube roots of negative numbers are negative (no need to use i's unless it's an even index on the root.) Check your work by substituting the x value back into the original equation.
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