Y add -9.93 mul x_7 div div mul sub mul 6.0600000000000005 inv add 87.30000000000001 mul 7.87 x_2 mul -36.9 x_6 x_0 sub mul -0.494 mul sub mul 2.91 x_3 mul -87.80000000000001 x_7 x_0 mul 4.5600000000000005 x_5 sub mul -6.42 mul x_4 x_3 mul 0.267 x_1