Posted by Marianna on Tuesday, January 10, 2012 at 5:48pm.
m25m14=0
b24b+4=0
2m2+2m12=0
8n2+7n15=7
and the hardest!
k2312k=63k2k

Quadratic Formula  MathGuru, Wednesday, January 11, 2012 at 5:09pm
Some points to remember:
1. Be sure to set your equations equal to 0.
2. See if the equation factors easily.
3. If it does, factor, then set each factor equal to 0.
4. Solve for the solutions.
Let's look at your first equation:
m^2  5m  14 = 0
(I'm using ^2 to mean squared.)
This equation is already equal to 0.
Let's see if it factors easily:
(m  7)(m + 2) = 0 (It does!)
Now let's set each factor equal to 0:
m  7 = 0; m = 7
m + 2 = 0; m = 2
Check the solutions with the original equation by substituting the values you found for m. It always helps to check your work.
I hope this will help get you started.

Quadratic Formula  oliva, Monday, December 12, 2016 at 11:24pm
m25m14=0
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