Question

simplify.
\sqrt{8}

Explanation:

Step1: Factor out perfect square

$\sqrt{8} = \sqrt{4 \times 2}$

Step2: Split the square root

$\sqrt{4 \times 2} = \sqrt{4} \times \sqrt{2}$

Step3: Simplify perfect square root

$\sqrt{4} = 2$, so $2 \times \sqrt{2}$

Answer:

$2\sqrt{2}$