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The equation is $\"\"$ .

$\"\"$ (Subtract 2 from each side)

$\"\"$

For any real number b and for any positive integer n, $\"\"$ .

$\"\"$

Apply cube on each side and eliminate cube roots.

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$\"\"$ (Divide each side by 3)

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Check:-

To check the solution, substitute $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ (Power of $\"\"$ )

$\"\"$ (Cancel common terms)

$\"\"$ (Add: $\"\"$ )

The solution is true. $\"\"$

The value of x is 9.