SOLUTION: Solve the equation by use of the quadratic formula. 3x^2 -5=-4x

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Question 1009868: Solve the equation by use of the quadratic formula.
3x^2 -5=-4x

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Solve the equation by use of the quadratic formula.
3x^2 -5=-4x
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3x^2 + 4x - 5 = 0
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=76 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 0.786299647846891, -2.11963298118022. Here's your graph:

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