Question

4) Perform the indicated operation.
g(a) = 4a+5
h(a) = 4a-1
Find g(a) h(a)

Answer 1

16a^2+16a-5

Explanation:

set the equations up as a binomial and use FOIL to distribute then add like terms:

(4a+5)(4a-1)

=16a^2-4a+20a-5

=16a^2+16a-5