## Precalculus (6th Edition) Blitzer

$3x^2$; $5x$; $21x$; $35$
When using the FOIL method to find the product of $(x+7)(3x+5)$, the product of the first terms is $x(3x) = 3x^2$; outside terms is $x(5)=5x$; inside terms is $7(3x) = 21x$; the last terms is $7(5)=35$.