Posted by Carol on Friday, May 28, 2010 at 2:01am.
x^26x7=0 Completing the square
need help

math  bobpursley, Friday, May 28, 2010 at 8:29am
what is half of 6 squared: 6/2=3, squared , 9
x^26x+9 7=9
(x3)^2 =16
take the square root of each side.
x3= +4
x=7, or 1
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