(x^2)/(10)-3x

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Solution for (x^2)/(10)-3x equation: 


x in (-oo:+oo)

(x^2)/10-(3*x) = 0

(x^2)/10-3*x = 0

1/10*x^2-3*x = 0

DELTA = (-3)^2-(0*1/10*4)

DELTA = 9

DELTA > 0

x = (9^(1/2)+3)/(1/10*2) or x = (3-9^(1/2))/(1/10*2)

x = 30 or x = 0

x in { 0, 30 }

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