Sub in what X and y are:

. Solve the exponents (if the exponent is 2 multiply the whole number by itself twice, if it were 3 you would multiply the whole number by itself three times): 3·3=9, 3·3=9: 9(9)= 81. :)
The answer is 2............
Answer:
24z^4-30z^2+12z
Step-by-step explanation:
hope this helps :)