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

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


x in (-oo:+oo)

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

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

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

DELTA = 9

DELTA > 0

x = (9^(1/2)+1)/(1/14*2) or x = (1-9^(1/2))/(1/14*2)

x = 28 or x = -14

x in { -14, 28 }

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