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