SOLUTION: I'm confused as to what i have to do on this part. If p(x)= 2x^3+6x-12 and q(x)= 5x^2 + 4 9) p(a^3)

Algebra ->  Rational-functions -> SOLUTION: I'm confused as to what i have to do on this part. If p(x)= 2x^3+6x-12 and q(x)= 5x^2 + 4 9) p(a^3)      Log On


   

Question 184344This question is from textbook algebra2
: I'm confused as to what i have to do on this part.
If p(x)= 2x^3+6x-12 and q(x)= 5x^2 + 4
9) p(a^3) This question is from textbook algebra2

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
p%28x%29=+2x%5E3%2B6x-12 Start with the given function.


p%28a%5E3%29=+2%28a%5E3%29%5E3%2B6%28a%5E3%29-12 Plug in x=a%5E3. In other words, replace each "x" with a%5E3


p%28a%5E3%29=+2a%5E9%2B6a%5E3-12 Multiply the exponents and multiply the terms.