SOLUTION: x^2+4x+2=0

Question 264874: x^2+4x+2=0

Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!

Do the quadratic formula where A=1 B=4 C=2
x= -0.585786437626905 or -3.41421356237309.

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=8 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: -0.585786437626905, -3.41421356237309. Here's your graph:

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