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p in (-oo:+oo)
14*p^2-(((2*p)/4)*p^2)+20*p = 0
(-1/2)*p^3+14*p^2+20*p = 0
14*p^2-1/2*p^3+20*p = 0
p*(14*p-1/2*p^2+20) = 0
14*p-1/2*p^2+20 = 0
DELTA = 14^2-(-1/2*4*20)
DELTA = 236
DELTA > 0
p = (236^(1/2)-14)/(-1/2*2) or p = (-236^(1/2)-14)/(-1/2*2)
p = 14-(2*59^(1/2)) or p = 14-(-2*59^(1/2))
p = 0
p = 0
p in { 14-(2*59^(1/2)), 14-(-2*59^(1/2)), 0 }
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