− u v + u w 2 x − u w x + u w + v w x 2 − v w x + v x + w 2 ( − x 2 ) u v w x {\displaystyle {\frac {-uv+uw^{2}x-uwx+uw+vwx^{2}-vwx+vx+w^{2}\left(-x^{2}\right)}{{\sqrt {u}}{\sqrt {v}}wx}}}
