How do you simplify sqrt5sqrt15?

Aug 13, 2016

$= 5 \sqrt{3}$

Explanation:

$\sqrt{5} \sqrt{15}$
$= \sqrt{5} \times \sqrt{5} \times \sqrt{3}$
$= 5 \sqrt{3}$

Aug 13, 2016

$5 \sqrt{3}$

Explanation:

When two or more square roots are being multiplied, they can be combined into one root,

$\sqrt{5} \times \sqrt{15} = \sqrt{75}$

Using Prime factors gives$: \sqrt{5 \times 5 \times 3}$

=$5 \sqrt{3}$