x4 + 4x - 7 + 4x2y2z3 = ???
x = 3
y = 1.5
z = 7
x^4 + 4x - 7 + 4x^2*y^2*z^3 = ???
3^4 + 4(3) - 7 + 4 * (3)^2 * (1.5)^2 * (7)^3 =
81 + 12 - 7 + 4 * (9) * (2.25) * ( 343) =
86 + [ 36 * 771.75 ] =
27,869
