3/5x^2-4/10x=1/5

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Solution for 3/5x^2-4/10x=1/5 equation: 


x in (-oo:+oo)

(3/5)*x^2-((4/10)*x) = 1/5 // - 1/5

(3/5)*x^2-((4/10)*x)-(1/5) = 0

(3/5)*x^2+(-2/5)*x-1/5 = 0

3/5*x^2-2/5*x-1/5 = 0

DELTA = (-2/5)^2-(-1/5*3/5*4)

DELTA = 16/25

DELTA > 0

x = ((16/25)^(1/2)+2/5)/(3/5*2) or x = (2/5-(16/25)^(1/2))/(3/5*2)

x = 1 or x = -1/3

x in { -1/3, 1 }

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