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January 29, 2015

January 29, 2015

Posted by **sandra** on Monday, April 7, 2008 at 10:40am.

3/x + 4/x+1

- math -
**drwls**, Monday, April 7, 2008 at 12:55pmIf you mean (3/x) + (4/x) + 1 , then that equals 7/x + x/x = (7+x)/x

If you mean 3/x + 4/(x+1) , then form a common denominator, and you get

[3(x+1) + 4x]/[x(x+1)]

= (7x+1)/(x^2 + x)

You need to use parentheses and brackets to clarify your ambiguous typed algebraic expressions.

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