Answer
$h^2-13h+40$.
Work Step by Step
The given expression is
$=(h-5)(h-8)$
Distribute $(h-8)$ to each term of $(h-5)$.
$=h(h-8)-5(h-8)$
Use distributive property.
$=h(h)+h(-8)-5(h)-5(-8)$
Multiply.
$=h^2-8h-5h+40$
Combine like terms.
$=h^2-13h+40$
Hence, the product is $h^2-13h+40$.
