30/10x=-3x/10x

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Solution for 30/10x=-3x/10x equation: 


x in (-oo:+oo)

(30/10)*x = ((-3*x)/10)*x // - ((-3*x)/10)*x

(30/10)*x-(((-3*x)/10)*x) = 0

(3/10)*x^2+(30/10)*x = 0

3/10*x^2+3*x = 0

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

DELTA = 9

DELTA > 0

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

x = 0 or x = -10

x in { -10, 0 }

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