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OpenStudy (vortish):
simplify the expression 6/n-4+n/n+4
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OpenStudy (mathstudent55):
Is this it? |dw:1359263972290:dw|
OpenStudy (mathstudent55):
Since you are adding fractions, you need a common denominator.
OpenStudy (vortish):
yea That is the whole question
OpenStudy (mathstudent55):
What is the LCD of n - 4 and n + 4? Since they have no factor in common, it's (n - 4)(n + 4)
OpenStudy (vortish):
ok i understand that
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OpenStudy (mathstudent55):
|dw:1359264622119:dw|
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