SOLUTION: i need help. the problem ask to find P(x-4) if P(a)=a^3 -5. I am confused because of the difference in variables. Any help will be greatly appreciated, thank you

Algebra ->  Functions -> SOLUTION: i need help. the problem ask to find P(x-4) if P(a)=a^3 -5. I am confused because of the difference in variables. Any help will be greatly appreciated, thank you      Log On


   



Question 895275: i need help. the problem ask to find P(x-4) if P(a)=a^3 -5. I am confused because of the difference in variables. Any help will be greatly appreciated, thank you
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
Q:
I need help. the problem ask to find P(x-4) if P(a)=a^3 -5
A:
Simply replace "a" by x - 4
P(x-4)=%28x-4%29%5E3+-+5
If you expand and simplify we get
P(x-4)=x%5E3+-+12x%5E2+%2B+48x+-+69