Question

Which of the following points is an x-intercept of the graph of

f(x)=(x^2+2x)^2 -11(x^2+2x)+24?
a.)(4,0)
b.)(-6,0)
c.)(6,0)
d.)(-4,0)

Answer 1

and how did you solve this? I am beginning to wonder if you are answer mooching?