Solve the equation and express each solution in the form of A + Bi X^3 – A =0
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Originally Posted by victorfk06 Solve the equation and express each solution in the form of A + Bi X^3 – A =0 $\displaystyle x=\sqrt[3]a+0i$?
That's one solution! Now, victorfk06, divide $\displaystyle x^3- A$ by $\displaystyle x- \sqrt[3]{A}$ to get the remaining, quadratic, equation. Use the quadratic formula (or complete the square) to solve for the other two roots.
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