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December 22, 2014

December 22, 2014

Posted by **Mike** on Monday, April 30, 2012 at 10:12am.

x2 - 5x + 5 = 0

x =

x =

- ALGEBRA -
**visoth**, Monday, April 30, 2012 at 3:50pmfactor it our use quadratic formula (i would do both so you get practicce in both sicne some polynomial are factorable so oyu will have to know how to use wuad formula)

this isn't factorable so use quad formula which is

-b + or - square root of (b^2 - 4AC) all of that will be divided by 2A

A=1(bc there is a 1 in front of the x^2)

b= -5 (from the -5x)

and C= 5 just plug number into the formula and solve

you should get 2 answers because of the plus or minus in the front of the square root

when you get your two answers plug them into equation x^2 - 5x + 5 and which ever one equals zero will be your answer (they can both equal zero)

- ALGEBRA -
**Henry**, Wednesday, May 2, 2012 at 7:01pmPost it.

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