SOLUTION: five times a number decreased by 6 is equal to the number squared? what is the number?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: five times a number decreased by 6 is equal to the number squared? what is the number?      Log On


   

Question 383325: five times a number decreased by 6 is equal to the number squared? what is the number?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
five times a number decreased by 6 is equal to the number squared? what is the number?
...
let number be x
5x-6 = x^2
+6
5x=x^2+6
-5x
x^2-5x+6=0
(x-6)(x+1)=0
x= 6 OR x=-1
...
m.ananth@hotmail.ca