Algebra Examples

$f (125) = \sqrt[3]{125} - 3$

Step 1

Simplify each term.

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Step 1.1

Rewrite $125$ as $5^{3}$ .

$f (125) = \sqrt[3]{5^{3}} - 3$

Step 1.2

Pull terms out from under the radical, assuming real numbers.

$f (125) = 5 - 3$

Step 2

Subtract $3$ from $5$ .

$f (125) = 2$