1/2n^2-1/2n-406=0

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Solution for 1/2n^2-1/2n-406=0 equation: 


n in (-oo:+oo)

(1/2)*n^2-((1/2)*n)-406 = 0

(1/2)*n^2+(-1/2)*n-406 = 0

1/2*n^2-1/2*n-406 = 0

DELTA = (-1/2)^2-(-406*1/2*4)

DELTA = 3249/4

DELTA > 0

n = ((3249/4)^(1/2)+1/2)/(1/2*2) or n = (1/2-(3249/4)^(1/2))/(1/2*2)

n = 29 or n = -28

n in { -28, 29 }

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