Find x3-2y2-3x3+z4ifx=3,y=5,and z=-3
x^3 - 3x^3 would equal -2x^3Replaced x by 3, y by 5 and z by -3-2x^3 = (-2)(3^3) = (-2)27 = -54y^5 = 5^5 = 3125z^4 = (-3)^4 = 9^2 = 81Add everything together so the result is 3152