SOLUTION: (1/4)a - 4a^-1 =0

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Question 900128: (1/4)a - 4a^-1 =0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(1/4)a - 4a^-1 =0
(1/4)a - 4/a = 0
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Multiply thru by 4a to get:
a^2 - 16 = 0
Factor:
(a-4)(a+4) = 0
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a = 4 or a = -4
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Cheers,
Stan H.
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