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Mathematics 16 Online
OpenStudy (highschoolmom2010):

simplify the sum

OpenStudy (highschoolmom2010):

OpenStudy (anonymous):

hmm try factoring completely all four terms

OpenStudy (anonymous):

something like this :D

OpenStudy (anonymous):

then cancel out common factors :D

OpenStudy (anonymous):

and then perform the sum :D

OpenStudy (highschoolmom2010):

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