SOLUTION: how do you figure this problem out m^2+3m+2=0

Question 27366: how do you figure this problem out m^2+3m+2=0
Answer by Alwayscheerful(414) (Show Source): You can put this solution on YOUR website!

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=1 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: -1, -2. Here's your graph:

Hope this helps!
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