SOLUTION: How do I solve the following using the quadratic formula? 2x^2 - 3x - 2 = 0

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Question 164041: How do I solve the following using the quadratic formula?
2x^2 - 3x - 2 = 0
Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
2x^2 - 3x - 2 = 0
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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=25 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 2, -0.5. Here's your graph:
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