Question

question
express in simplest radical form.
$sqrt{20}$
answer attempt 1 out of 2

Explanation:

Step1: Factor 20 into square factor

$\sqrt{20} = \sqrt{4 \times 5}$

Step2: Separate the square root

$\sqrt{4 \times 5} = \sqrt{4} \times \sqrt{5}$

Step3: Simplify $\sqrt{4}$

$\sqrt{4} \times \sqrt{5} = 2\sqrt{5}$

Answer:

$2\sqrt{5}$