SOLUTION: Can someone solve this for me step by step so that I have a better understanding, please? 2x^2-8x-6=0

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Question 735858: Can someone solve this for me step by step so that I have a better understanding, please?
2x^2-8x-6=0
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
there are plenty of examples in your text book.
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=112 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 4.64575131106459, -0.645751311064591. Here's your graph:

or factor out 2
x^2-4x-3=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=28 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 4.64575131106459, -0.645751311064591. Here's your graph:
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