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Mathematics 7 Online
OpenStudy (gabylovesyou):

Explain how you can combine the expression with modifications. @phi

OpenStudy (gabylovesyou):

\[\frac{ 3 }{ (x-1) } + \frac{ 2 }{ x }\]

OpenStudy (phi):

to combine the fractions you need the same bottoms multiply the first fraction by x/x and the second fraction by (x-1)/(x-1)

OpenStudy (gabylovesyou):

any discontinuitites ?

OpenStudy (gabylovesyou):

@phi

OpenStudy (phi):

of course. any time you have a variable (like "x") in the bottom, then there will be a value that causes the bottom to be 0, and we don't allow divide by 0

OpenStudy (phi):

what did you get for this one?

OpenStudy (gabylovesyou):

ok and which ones r the discontinuities then ?

OpenStudy (gabylovesyou):

@phi

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