SOLUTION: I do not understand quadratics...It's so frustrating! I am failing algebra 2 and this CANNOT happen!!! I understand how to set it all up with the equation and the formula (a,b,c)

Question 591352: I do not understand quadratics...It's so frustrating! I am failing algebra 2 and this CANNOT happen!!! I understand how to set it all up with the equation and the formula (a,b,c) and I can solve it up to the last part when you have to simplify it. I cant simplify it. So as an example: as an answer I got and I simplified that to please help me! I have a test coming up and my teacher is certainly not the most understanding guy. Thanks again for considering my problem :)
Found 2 solutions by scott8148, jim_thompson5910:
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the quadratic formula is ___

your example does not follow this

perhaps you have it memorized incorrectly?

x = = 2
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Notice that the quadratic is in the form of where , , and

Let's use the quadratic formula to solve for "x":

Start with the quadratic formula

Plug in , , and

Negate to get .

Square to get .

Multiply to get

Subtract from to get

Multiply and to get .

Take the square root of to get .

or Break up the expression.

or Combine like terms.

or Simplify.

So the only solution is

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