SOLUTION: Solve: 4x^2 - 8x + 1 = 0

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Question 278676: Solve: 4x^2 - 8x + 1 = 0
Answer by JBarnum(2146)   (Show Source): You can put this solution on YOUR website!
this is a quadratic equation ax^2+bx+c=0
a=4 b=-8 c=1
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=48 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 1.86602540378444, 0.133974596215561. Here's your graph:

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