SOLUTION: 10x^2 + 70x = 180

Question 19095: 10x^2 + 70x = 180
Answer by Alwayscheerful(414) (Show Source): You can put this solution on YOUR website!
You can first simplify your equation

Then move the 18 over to make it a quadratic equation

Solved by pluggable solver: SOLVE quadratic equation with variable

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=121 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 2, -9. Here's your graph:

Hope this helps!
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