2/x+1-2x=5

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Solution for 2/x+1-2x=5 equation:


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

2/x-(2*x)+1 = 5 // - 5

2/x-(2*x)-5+1 = 0

2/x-2*x-5+1 = 0

2*x^-1-2*x^1-4*x^0 = 0

(2*x^0-2*x^2-4*x^1)/(x^1) = 0 // * x^2

x^1*(2*x^0-2*x^2-4*x^1) = 0

x^1

2-2*x^2-4*x = 0

2-2*x^2-4*x = 0

DELTA = (-4)^2-(-2*2*4)

DELTA = 32

DELTA > 0

x = (32^(1/2)+4)/(-2*2) or x = (4-32^(1/2))/(-2*2)

x = (4*2^(1/2)+4)/(-4) or x = (4-4*2^(1/2))/(-4)

x in { (4*2^(1/2)+4)/(-4), (4-4*2^(1/2))/(-4)}

x in { (4*2^(1/2)+4)/(-4), (4-4*2^(1/2))/(-4) }

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