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If x3 = 216, what is the value of x? a. 6b. 4c. 9d. 3
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If x3 = 216, what is the value of x? a. 6b. 4c. 9d. 3

User Fouad
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1 Answer

23 votes
23 votes

6 (option A)

Step-by-step explanation:

x³ = 216

cube root both sides:


\begin{gathered} \sqrt[3]{x^3}\text{ = }\sqrt[3]{216} \\ x\text{ = }\sqrt[3]{216} \end{gathered}
\begin{gathered} x\text{ = }\sqrt[3]{(6)^3} \\ x\text{ = 6 (option A)} \end{gathered}

User Siamand
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