alg
posted by sean .
solve: 1 / x + 2 + 1 / x  2= 1 / x^2  4
a)2
b) 2
c)1/2
d) 1/2

alg 
Reiny
you probably meant to type
1/(x + 2) + 1/(x  2) = 1/(x^2  4)
multiply each term by x^2  4, ( which factors to (x+2)(x2) )
x2 + x+2 = 1
2x = 1
x = 1/2 
alg 
bobpursley
multiply both sides by (x+2)(x2)
x2+x+2=1
x= 1/2 
alg 
sean
thanks reiny
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