Question

If f(x)=x+12 and g(x)=x−5, find f(x)⋅g(x).

A) x^2+17x−60
B) x^2−7x+60
C) x^2+7x−60
D) x^2+7x−7

Answer 1

C

Explanation:

f(x).g(x) is

(x+12).(x-5)=x^2-5x+12x-60(add like terms)

=x^2+7x-60, the answer is C