Question

question
express in simplest radical form.
\sqrt{128}
answer attempt 1 out of 2

Explanation:

Step1: Factor out perfect square

$\sqrt{128} = \sqrt{64 \times 2}$

Step2: Split the radical

$\sqrt{64 \times 2} = \sqrt{64} \times \sqrt{2}$

Step3: Simplify perfect square root

$\sqrt{64} \times \sqrt{2} = 8\sqrt{2}$

Answer:

$8\sqrt{2}$