# Math (Algebra)

posted by
**Shin**
.

One root of the quadratic equation x^2 − 2x + m = 0 is 9. If the other root is n, what is n−m?

posted by
**Shin**
.

One root of the quadratic equation x^2 − 2x + m = 0 is 9. If the other root is n, what is n−m?