SOLUTION: What is the answer for the equation 6x^2-x-1

Question 734966: What is the answer for the equation 6x^2-x-1

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
there is no equation. Equations have equal signs. Do you see an equal sign?
set it equal to zero

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=25 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 0.5, -0.333333333333333. Here's your graph:

x=1/2 x=-1/3
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