2x^2/4.5-x

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Solution for 2x^2/4.5-x equation: 


x in (-oo:+oo)

(2*x^2)/4.5-x = 0

0.44444444*x^2-x = 0

DELTA = (-1)^2-(0*0.44444444*4)

DELTA = 1

DELTA > 0

x = (1^(1/2)+1)/(0.44444444*2) or x = (1-1^(1/2))/(0.44444444*2)

x = 2.25000002 or x = 0

x in { 0, 2.25000002 }

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