(1/3x^2-2/7x)-(4/21x^2+1/21x-2/3)

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Solution for (1/3x^2-2/7x)-(4/21x^2+1/21x-2/3) equation: 


x in (-oo:+oo)

(1/3)*x^2-((4/21)*x^2)-((2/7)*x)-((1/21)*x)+2/3 = 0

(1/3)*x^2+(-4/21)*x^2+(-2/7)*x+(-1/21)*x+2/3 = 0

1/7*x^2-1/3*x+2/3 = 0

DELTA = (-1/3)^2-(1/7*2/3*4)

DELTA = -17/63

DELTA < 0

x belongs to the empty set

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