# SOLUTION: I'm working on proportions. I solved the proportion part and got 6x squared plus 12 equals -38x and I'm lost from there. How do you get the answer from there?

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Question 447628: I'm working on proportions. I solved the proportion part and got 6x squared plus 12 equals -38x and I'm lost from there. How do you get the answer from there?
Answer by Alan3354(30993)   (Show Source):
You can put this solution on YOUR website!
6x squared plus 12 equals -38x
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 Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc) Quadratic equation (in our case ) has the following solutons: For these solutions to exist, the discriminant should not be a negative number. First, we need to compute the discriminant : . Discriminant d=289 is greater than zero. That means that there are two solutions: . Quadratic expression can be factored: Again, the answer is: -0.333333333333333, -6. Here's your graph: