2.73=2x^2/5.5-x

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Solution for 2.73=2x^2/5.5-x equation: 


x in (-oo:+oo)

2.73 = (2*x^2)/5.5-x // - (2*x^2)/5.5-x

x-((2*x^2)/5.5)+2.73 = 0

x-0.36363636*x^2+2.73 = 0

x-0.36363636*x^2+2.73 = 0

DELTA = 1^2-(-0.36363636*2.73*4)

DELTA = 4.9709090512

DELTA > 0

x = (4.9709090512^(1/2)-1)/(-0.36363636*2) or x = (-4.9709090512^(1/2)-1)/(-0.36363636*2)

x = -1.37500001*(4.9709090512^(1/2)-1) or x = 1.37500001*(4.9709090512^(1/2)+1)

x in { -1.37500001*(4.9709090512^(1/2)-1), 1.37500001*(4.9709090512^(1/2)+1) }

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