Y add -0.47900000000000004 add sub sub mul -4.09 x_2 mul -5.24 x_1 sub mul -0.363 x_4 mul 6.640000000000001 x_1 add add mul -0.9390000000000001 x_0 add mul 0.211 x_0 mul -97.5 x_3 mul 5.3500000000000005 x_2