SOLUTION: Solve for z: z2-8z=9

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Question 762879: Solve for z: z2-8z=9

Found 2 solutions by Cromlix, stanbon:
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
z^2 - 8z - 9 )= 0
(z - 9)(z + 1) = 0
z = 9
OR
z = -1
Hope this helps.
:-)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
z2-8z=9
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z^2 - 8z - 9 = 0
Factor:
----
(z-9)(z+1) = 0
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Ans: z = 9 or z = -1
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Cheers,
Stan H.
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