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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 don't understand... have an a-example-1
User Jeet Bhatt
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1 Answer

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You factor the expression first leaving you with
(3xy(z-1))/(3xy)
Then you would cancel out 3xy as because there is exactly one on each side. This, in turn, would leave you with z - 1
User StrongJoshua
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