Algebra Examples

$f (5) = \sqrt{5 - 5}$

Step 1

Subtract $5$ from $5$ .

$f (5) = \sqrt{0}$

Step 2

Rewrite $0$ as $0^{2}$ .

$f (5) = \sqrt{0^{2}}$

Step 3

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

$f (5) = 0$