SOLUTION: z^2-z-12 over z^2-6z+9 *z-3 over z-4 Multiply and simplify

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Question 466879: z^2-z-12 over z^2-6z+9 *z-3 over z-4
Multiply and simplify
Found 2 solutions by Big Poop, stanbon:
Answer by Big Poop(157) About Me  (Show Source):
You can put this solution on YOUR website!
gregfphl[f gFUUUUCK

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
z^2-z-12 over z^2-6z+9 *z-3 over z-4
[z^2-z-12]/[z^2-6z+9] * [z-3]/[z-4]
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Factor:
[(z-4)(z+3)]/[(z-3)(z-3)] /[z-4]
----
Cancel any factors common to numerator and denominator
such as (z-4), and (z-3)
----
[(1)(z+3)]/[(1)(z-3)]
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= (z+3)/(z-3)
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Cheers,
Stan H.
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