Answer
$3h^2-11h-3$
Work Step by Step
The distributive property states that for any real numbers $a, b$, and $c$,
$a(b+c) = ab + ac$
Combine like terms using the distributive property to obtain:
$=3h^2+(-7h-4h)-3
\\=3h^2+(-7-4)h - 3
\\=3h^2-11h-3$
