## Precalculus (6th Edition) Blitzer

$4xh+2h^2+3h$
From the given expression, we have $2(x+h)^2+3(x+h)+5-(2x^2+3x+5)=2x^2+4xh+2h^2+3x+3h+5-2x^2-3x-5=4xh+2h^2+3h$