Question

F(x) = (x - 3)(x + 4)

Answer 1

f(x)= x^2+x-12

Explanation:

FOIL

First= (x)(x)=x^2

Outer=(x)(4)=4x

Inner=(-3)(x)=-3x

Last=(-3)(4)=-12

x^2+4x-3x-12

x^2+x-12