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Mathematics 9 Online
OpenStudy (anonymous):

d - 1/d can someone help me understand why this factors to (d^2-1)/d. i always get either no division at all or one d too few.

OpenStudy (anonymous):

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OpenStudy (anonymous):

Just take L.C.M

OpenStudy (anonymous):

silly me, i wasnt even thinking of multiplying whole (d-1). Thanks! :)

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