SOLUTION: please help with this. For the equation 3x^2-4x-5=0 find a,b,and c. a= b= c= Then solve the equation using the quadratic formula

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Question 432246: please help with this.
For the equation 3x^2-4x-5=0
find a,b,and c.
a=
b=
c=
Then solve the equation using the quadratic formula

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
For the equation 3x^2-4x-5=0
find a,b,and c.
-----------
a = 3
b = -4
c = -5
-------
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: 2.11963298118022, -0.786299647846891. Here's your graph:


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