Y add -0.17500000000000002 sub sub mul -0.515 x_4 mul -5.3100000000000005 mul x_0 x_6 sub mul 8.67 pow2 add 4.34 mul 0.451 mul x_7 x_4 add mul 3.2600000000000002 mul sub mul -7.91 x_5 sub mul -8.02 x_3 mul -0.14200000000000002 x_1 x_1 add sub mul 0.684 x_2 mul -46.0 x_7 mul -0.975 x_4