SOLUTION: Please help me solve this equation: x^2 + 7x + 2 = 0.

Question 242989: Please help me solve this equation: x^2 + 7x + 2 = 0.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
x^2 + 7x + 2 = 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=41 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: -0.298437881283576, -6.70156211871642. Here's your graph:

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