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...

Mathematics

1 answer:

Rus_ich [418]3 years ago

6 0

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

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