Simplify
1/(x-4) - x/[(4-x)^2]
Question about formulas
2008-12-26 6:49 am
回答 (2)
2008-12-26 7:12 am
✔ 最佳答案
The answe is as follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/20081225_mat_3.jpg?t=1230217929
2008-12-26 7:46 am
Simplify: 1/(x-4) - x/[(4-x)^2]
Solution: 1/(x-4) - x/[(4-x)^2]
..............= 1/(x-4) - x/[(x-4)^2]
..............= (x-4)/(x-4)^2 - x/[(x-4)^2]
..............= (x-4-x)/[(x-4)^2]
..............= (-4)/[(x-4)^2].......................(The Answer)
Solution: 1/(x-4) - x/[(4-x)^2]
..............= 1/(x-4) - x/[(x-4)^2]
..............= (x-4)/(x-4)^2 - x/[(x-4)^2]
..............= (x-4-x)/[(x-4)^2]
..............= (-4)/[(x-4)^2].......................(The Answer)
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