Solve the equation.\ $x^3 - 21x^2 = 0$\ Select the correct choice below and, if necessary, fill in the answer box to complete your choice.\ A. The solution set is $oxed{}$ . (Use a comma to separate answers as needed.)\ B. There is no solution.
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Step 1: Rewrite the equation as x^3 = 212. Show more…
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\begin{equation} \begin{array}{l}{\text { (A) The equation has no solutions. }} \\ {\text { (B) The equation has exactly one solution. }} \\ {\text { (C) The equation has exactly two solutions. }} \\ {\text { (D) The equation has infinitely many solutions. }}\end{array} \end{equation}
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