2x-6x^2/7

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Solution for 2x-6x^2/7 equation: 


x in (-oo:+oo)

2*x-((6*x^2)/7) = 0

(-6/7)*x^2+2*x = 0

2*x-6/7*x^2 = 0

DELTA = 2^2-(-6/7*0*4)

DELTA = 4

DELTA > 0

x = (4^(1/2)-2)/(-6/7*2) or x = (-4^(1/2)-2)/(-6/7*2)

x = 0 or x = 7/3

x in { 0, 7/3 }

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