SOLUTION: i think of a number and add 6 to it then multiply the sum by the orignal number and the result is 60.find the number?

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Question 443827: i think of a number and add 6 to it then multiply the sum by the orignal number and the result is 60.find the number?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be the number.
n(n+6)=60
n^2+6n=60
n^2+6n-60=0
n=sqrt(69)-3
.
Ed