Pre-Algebra Examples

$f (16) = x + \sqrt{x + 4}$

Step 1

Divide each term in $f (16) = x + \sqrt{x + 4}$ by $16$ .

$\frac{f \cdot 16}{16} = \frac{x}{16} + \frac{\sqrt{x + 4}}{16}$

Step 2

Simplify the left side.

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Step 2.1

Cancel the common factor of $16$ .

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Step 2.1.1

Cancel the common factor.

$\frac{f \cdot 16}{16} = \frac{x}{16} + \frac{\sqrt{x + 4}}{16}$

Step 2.1.2

Divide $f$ by $1$ .

$f = \frac{x}{16} + \frac{\sqrt{x + 4}}{16}$

Step 3

Simplify the right side.

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Step 3.1

Combine the numerators over the common denominator.

$f = \frac{x + \sqrt{x + 4}}{16}$