SOLUTION: z^4+8z^3-9^z^2=0

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Question 417503: z^4+8z^3-9^z^2=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
z^4+8z^3-9^z^2=0
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z^2[z^2+8z-9] = 0
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z^2(z+9)(z-1) = 0
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z = 0 or z = -9 or z = 1
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Cheers,
Stan H.
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