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n in (-oo:+oo)
n^2-((64/2)*n)+16 = 0
n^2-32*n+16 = 0
n^2-32*n+16 = 0
DELTA = (-32)^2-(1*4*16)
DELTA = 960
DELTA > 0
n = (960^(1/2)+32)/(1*2) or n = (32-960^(1/2))/(1*2)
n = (8*15^(1/2)+32)/2 or n = (32-8*15^(1/2))/2
n in { (32-8*15^(1/2))/2, (8*15^(1/2)+32)/2 }
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