Y add 0.336 sub mul -5.19 x_4 add sub sub mul 0.978 mul add mul 0.34800000000000003 x_5 mul -0.87 x_1 add mul -10.700000000000001 x_2 mul -3.9000000000000004 x_7 mul 9.39 x_1 mul 0.913 x_0 add add add add mul 5.3100000000000005 x_2 mul -7.42 x_3 mul 0.369 x_3 mul 6.1000000000000005 x_6 mul 0.079 pow2 add -0.358 mul 0.163 x_3