1/14=1/7x^2-1/2x

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Solution for 1/14=1/7x^2-1/2x equation: 


x in (-oo:+oo)

1/14 = (1/7)*x^2-((1/2)*x) // - (1/7)*x^2-((1/2)*x)

(1/2)*x-((1/7)*x^2)+1/14 = 0

(-1/7)*x^2+(1/2)*x+1/14 = 0

1/2*x-1/7*x^2+1/14 = 0

DELTA = (1/2)^2-(-1/7*1/14*4)

DELTA = 57/196

DELTA > 0

x = ((57/196)^(1/2)-1/2)/(-1/7*2) or x = (-(57/196)^(1/2)-1/2)/(-1/7*2)

x = -7/2*((57/196)^(1/2)-1/2) or x = 7/2*((57/196)^(1/2)+1/2)

x in { -7/2*((57/196)^(1/2)-1/2), 7/2*((57/196)^(1/2)+1/2) }

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