algebra
posted by John .
Simplify 1+2/x / 1/x  2/x^2

Your casual use of parentheses makes it hard to interpret the expression. If you meant
(1 + 2/x) / (1/x  2/x^2) then put everything over x^2:
[(x^2 + 2x)/x^2] / [(x2)/x^2]
(x^2 + 2x)/(x2)
x(x+2)/(x2)
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