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April 25, 2015

Homework Help: math,correction,plz

Posted by jas20 on Sunday, March 11, 2007 at 4:23pm.

Solve each of the following quadratic equations by completing the square.

Problem#22 sect. 10.2

x^2-6x-3=0

My answer I keep getting two different answers : I get these two everytime i do it differently.

I get : x= 3 +- radical(12) or x = 3+-2radical(3)

Problem #28 sect10.2
2x^2+10x+11=0

My answer i keepgetting two different answer i don't know which one is correct:

x = (-10+-radical(12))/(2(2))
or
x=-2.5+-0.5radical(3)

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