algebra
posted by sally .
Could someone please help me with this?
(1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

algebra 
Reiny
let x =10
then (x2) = 8 which is positive
let x = 5
then x2 = 7 which is negative,
so ......
what do you think?
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