Y add c add mul x1 mul x2 mul pow add c pow x3 c c pow add x2 add mul c x3 add mul c pow x3 c add mul x3 x2 mul x2 pow x3 c c mul c mul x1 mul x2 mul pow x3 c pow add x2 add mul c x3 add mul c pow x3 c add mul x3 x2 mul x2 pow x3 c c