SOLUTION: -2=-4.76x^2-0.31x+0.01 Solve for x.

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Question 1105549: -2=-4.76x^2-0.31x+0.01
Solve for x.

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
-2=-4.76x^2-0.31x+0.01
-4.76x^2-0.31x + 2.01 = 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=38.3665 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: -0.683200603416152, 0.618074552995984. Here's your graph:

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