Y add mul div c c mul pow x2 c pow add x2 add x3 x3 c add mul div c c mul pow x2 c mul pow x3 c mul pow add x2 add x3 x3 c add c mul x2 x3 mul div c c mul pow x2 c mul pow x3 c mul pow add x2 add x3 x3 c add c mul x2 x3