Subtract: 8/n^2 minus 3/n?
回答 (2)
8/n^2 - 3/n
= (8/n - 3)/n
= (8 - 3n)/n^2
Find a common denominator, which happens to be n^2 in this case
Multiply the 2nd fraction by n/n then simplify
8/n^2 - 3n/n^2
(8 - 3n)/n^2
收錄日期: 2021-04-21 18:16:10
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