How do I simplify this problem?

Comments

• mizoo

  May 2021

  (x^2 - 9x) / (45x - 5x^2) =

  x(x - 9) / 5x(9 - x) =

  -x(9 - x) / 5x(9 - x) =

  -1/5
• guillermo

  May 2021

  x*(x - 9)/(5*x*(9 - x)) =

  - x*(x - 9)/(5*x*(x - 9)) = - x/(5*x) = - 1/5, answer!