SOLUTION: The following quadratic equation has integer solutions. x 2 + x − 12 = 0. What is the positive solution of the equation? En

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The following quadratic equation has integer solutions. x 2 + x − 12 = 0. What is the positive solution of the equation? En      Log On


   

Question 853456: The following quadratic equation has integer solutions.
x 2 + x − 12 = 0.
What is the positive solution of the equation?
Enter your answer as a number in the box below.
Here is a picture of the question as well as the math question isn't written out properly as I couldn't do it on the browser.
http://gyazo.com/83e60cd4df3f6f390fdc13bb3a266e69
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2Bx-12=0
This factors to
%28x%2B4%29%28x-3%29=0
So possible values for x are -4 and +3
The positive solution is of course 3 .