SOLUTION: if the square of a positive integer is added to 6 times an integers, the result is 135. find integers

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Question 668346: if the square of a positive integer is added to 6 times an integers, the result is 135. find integers
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let the integer be x
x^2+6x=135
x^2+6x-135=0
x^2+15x-9x-135=0
x(x+15)-9(x+15)=0
(x+15)(x-9)=0
x=-15 OR 9
The integer is positive so the integer is 9