SOLUTION: Please show me the solution to this problem using factoring and zero-product property . 9r^2 - 30r + 21 = -4 Your help is greatly appreciated.

Algebra ->  Equations -> SOLUTION: Please show me the solution to this problem using factoring and zero-product property . 9r^2 - 30r + 21 = -4 Your help is greatly appreciated.      Log On


   



Question 1062913: Please show me the solution to this problem using factoring and zero-product property .
9r^2 - 30r + 21 = -4
Your help is greatly appreciated.

Answer by josgarithmetic(39617) About Me  (Show Source):