也就是求这个方程序的根。

Looking for the root of this equation.

youdao

当该方程有根时，则给出根的个数。

If this equation has root, then the author gives the number of roots.

youdao

当该方程有根时，则给出根的个数。

If this equation has roots, then the number of roots is given.

youdao

当该方程有根时，则给出根的个数。

If this equation has roots, then the number of roots is given.

youdao