The product of (4z2 + 7z - 8) and (-z + 3) is - 4z3 + xz2 + yz - 24. What is the value of x? What is the value of y?

X = 5

y = 29

When you multiply the trinomial and the binomial, you get

-4z^3 + 5z^2 + 29z - 24. The coefficient of the z^2 term is 5 and the coefficient of the z term is 29.