The axis of symmetry of a parabola in the form

is a vertical line

where k is the x coordinate of the vertex of the parabola.
The x coordinate of the vertex of the parabola is given by

which in your case is

So, the axis of symmetry is the line x=12.
Answer:
Christy is correct
Step-by-step explanation:
you dont say the numbers in words all the time, so it makes a lot more sense.
Step-by-step explanation:
4p³ + 36p² + 32p
= 4p(p² + 9p + 8)
= 4p(p + 1)(p + 8).