Answer
$12 + 4\sqrt5$
Work Step by Step
The distributive property states that for any real numbers $a, b, $ and $c$,
$a(b+c) =a\cdot b+a \cdot c$
Thus, apply the distributive property to the given problem to find:
$=4\cdot 3 + 4 \cdot \sqrt{5}
\\=12+4\sqrt{5}$
