SOLUTION: Please help me solve this equation r2-5r+6 it has a bar in between it,and both Rs or to the 2nd powers - r2-4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Please help me solve this equation r2-5r+6 it has a bar in between it,and both Rs or to the 2nd powers - r2-4      Log On