averagejoe2 averagejoe2

16-01-2018
Mathematics

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how do I cancel this out??? this is the only thing I don't understand... have an a on my class but... never get these right...

how do I cancel this out this is the only thing I dont understand have an a on my class but never get these right class=

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hackermcpe hackermcpe

16-01-2018

You factor the expression first leaving you with [tex] \frac{3xy(z-1)}{3xy} [/tex]
Then you would cancel out 3xy as because there is exactly one on each side. This, in turn, would leave you with z - 1

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