87n-3n^2/2

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Solution for 87n-3n^2/2 equation: 


n in (-oo:+oo)

87*n-((3*n^2)/2) = 0

(-3/2)*n^2+87*n = 0

87*n-3/2*n^2 = 0

DELTA = 87^2-(-3/2*0*4)

DELTA = 7569

DELTA > 0

n = (7569^(1/2)-87)/(-3/2*2) or n = (-7569^(1/2)-87)/(-3/2*2)

n = 0 or n = 58

n in { 0, 58 }

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