Y add -7.390000000000001 mul cos add -0.67 mul -2.6 x_1 pow3 sub mul -0.47100000000000003 abs add -70.10000000000001 mul 5.15 x_0 sub mul -39.300000000000004 pow3 add 0.783 mul -2.16 x_1 mul -0.265 x_2