2/5x^2-x+1=-3x+1

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


x in (-oo:+oo)

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

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

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

2/5*x^2+2*x = 0

DELTA = 2^2-(0*2/5*4)

DELTA = 4

DELTA > 0

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

x = 0 or x = -5

x in { -5, 0 }

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