<PRE><B>Question 863963</B>
Find all solutions of the equation and express them in the form 
a + bi.
(Enter your answers as a comma-separated list.)
81x2 + 64 = 0
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x^2 + 8 = 0
(x+2sqrt(2)i)(x-2sqrt(2)i) = 0
x = -2sqrt(2)i or x = 2sqrt(2)i
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Cheers,
Stan H.
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