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(1/19)*x^2+(11/10)*x = 148 // - 148
(1/19)*x^2+(11/10)*x-148 = 0
1/19*x^2+11/10*x-148 = 0
DELTA = (11/10)^2-(-148*1/19*4)
DELTA = 61499/1900
DELTA > 0
x = ((61499/1900)^(1/2)-11/10)/(1/19*2) or x = (-(61499/1900)^(1/2)-11/10)/(1/19*2)
x = 19/2*((61499/1900)^(1/2)-11/10) or x = -19/2*((61499/1900)^(1/2)+11/10)
x in { -19/2*((61499/1900)^(1/2)+11/10), 19/2*((61499/1900)^(1/2)-11/10) }
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