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Mathematics 20 Online
OpenStudy (anonymous):

divide(r+5 over r^2+5r−14) by (r^2+4r−21over r−2)

OpenStudy (anonymous):

invert the second fraction, factor as much as you can you will find that there will be some terms that cancel, then multiply

OpenStudy (precal):

|dw:1328484140229:dw|

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