1/4x^2-1/28x-3/14=0

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Solution for 1/4x^2-1/28x-3/14=0 equation: 


x in (-oo:+oo)

(1/4)*x^2-((1/28)*x)-(3/14) = 0

(1/4)*x^2+(-1/28)*x-3/14 = 0

1/4*x^2-1/28*x-3/14 = 0

DELTA = (-1/28)^2-(-3/14*1/4*4)

DELTA = 169/784

DELTA > 0

x = ((169/784)^(1/2)+1/28)/(1/4*2) or x = (1/28-(169/784)^(1/2))/(1/4*2)

x = 1 or x = -6/7

x in { -6/7, 1 }

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