Posted by haleigh on Monday, January 9, 2012 at 7:59pm.
There are no rational factors of the expression.
Are you sure it is not a typo?
Anyway if it is for real, solve with quadratic
x = [ 8 +/- sqrt (64 -12) ]/2
= [8 + sqrt(52) ]/2
= [ 8 +/- 2 sqrt(13) ]/2
= 4 + sqrt 13
or
= 4 - sqrt 13
so
[ x - (4+sqrt 13)] [ x - (4-sqrt 13) ]
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