7x^2-x/2=168

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Solution for 7x^2-x/2=168 equation: 


x in (-oo:+oo)

7*x^2-(x/2) = 168 // - 168

7*x^2-(x/2)-168 = 0

7*x^2-1/2*x-168 = 0

DELTA = (-1/2)^2-(-168*4*7)

DELTA = 18817/4

DELTA > 0

x = ((18817/4)^(1/2)+1/2)/(2*7) or x = (1/2-(18817/4)^(1/2))/(2*7)

x = ((18817/4)^(1/2)+1/2)/14 or x = (1/2-(18817/4)^(1/2))/14

x in { (1/2-(18817/4)^(1/2))/14, ((18817/4)^(1/2)+1/2)/14 }

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