2x-2x^-2=192 then find x
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Heya
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2x - 2x² = 192
=>
2 ( x - x² ) = 192
=>
x - x² = 96
=>
x² - x + 96 = 0
=>
( x - 1/2 )² + 96 -1/4 = 0
=>
( x - 1/2 )² = -383/4
=>
x = -+√(383)i/2 +1/2
i is iota i = √-1
=>
x ={ -+√(383)i +1 }/2
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