Y add 7.15 sub mul -0.585 x_3 sub mul -53.800000000000004 x_2 sub add mul -10.100000000000001 x_0 add sub mul -0.8130000000000001 pow2 add -63.400000000000006 mul -7.5 mul x_7 x_6 mul -0.055 x_4 mul 1.0 x_1 mul -81.5 x_5