## Algebra 1

$4\sqrt7$
$\sqrt{56\times2}\longrightarrow$ since 16 is a perfect square, factor 8 out of 56 =$\sqrt{7\times8\times2}\longrightarrow$ multiply =$\sqrt{7\times16}\longrightarrow$ use the multiplication property of square roots =$\sqrt{7}\times\sqrt{16}\longrightarrow$ simplify =$4\sqrt7$