Algebra 2
posted by Anonymous .
Add or subtract
2/x^2+1/x
2/x+3/2x3/5x
7/x^2+5/x
help me step by step

Algebra 2 
drwls
Create common denominators for all terms and add the numerators.
In the first case,
2/x^2 + 1/x = 2/x^2 + x/x^2 = (2+x)/x^2
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