Question

8-(x+9)^3=520

Solve using cube root. Please show work!!

Answer 1

`8 -( x + 9)^(3) = 520 \\ \\ - {(x + 9)}^(3) = 520 - 8 \\ \\ - (x + 9) ^(3) = 512 \\ \\ - {(x + 9)}^{3 * (1)/(3) } = \sqrt[3]{512} \\ \\ - (x + 9) = \sqrt[3]{512} \\ \\ - x - 9 = 8 \\ \\ - x = 8 + 9 \\ \\ - x = 17 \\ \\ x = - 17`

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