## Intermediate Algebra: Connecting Concepts through Application

$5x^2+50x-16$
Use the FOIL method on the terms in the two sets of parentheses. Then combine like terms. $(7x-3)(2x+8)-9x^2+8$ $=14x^2+56x-6x-24-9x^2+8$ $=5x^2+50x-16$