A cubic equation is an algebraic equation of third-degree. The general form of a cubic function is: f (x) = ax 3 + bx 2 + cx 1 + d. And the cubic equation has the form of ax 3 + bx 2 + cx + d = 0, where a, b and c are the coefficients and d is

The roots (answers) to your cubic equation are given by the formula (+ + ()), where = (+) and n is either 1, 2, or 3. Plug in your values as

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