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D( x )
950-x-25 = 0
x = 0
950-x-25 = 0
950-x-25 = 0
925-x = 0 // - 925
-x = -925 // * -1
x = 925
x = 0
x = 0
x in (-oo:0) U (0:925) U (925:+oo)
1/50 = 1/(950-x-25)-(1/x) // - 1/(950-x-25)-(1/x)
1/x-(1/(950-x-25))+1/50 = 0
1/x-(950-x-25)^-1+1/50 = 0
1/x-1/(925-x)+1/50 = 0
(-1*50*x)/(50*x*(925-x))+(1*50*(925-x))/(50*x*(925-x))+(1*x*(925-x))/(50*x*(925-x)) = 0
1*50*(925-x)+1*x*(925-x)-1*50*x = 0
925*x-x^2-100*x+46250 = 0
825*x-x^2+46250 = 0
825*x-x^2+46250 = 0
825*x-x^2+46250 = 0
DELTA = 825^2-(-1*4*46250)
DELTA = 865625
DELTA > 0
x = (865625^(1/2)-825)/(-1*2) or x = (-865625^(1/2)-825)/(-1*2)
x = (25*1385^(1/2)-825)/(-2) or x = (-25*1385^(1/2)-825)/(-2)
(x-((25*1385^(1/2)-825)/(-2)))*(x-((-25*1385^(1/2)-825)/(-2))) = 0
((x-((25*1385^(1/2)-825)/(-2)))*(x-((-25*1385^(1/2)-825)/(-2))))/(50*x*(925-x)) = 0
((x-((25*1385^(1/2)-825)/(-2)))*(x-((-25*1385^(1/2)-825)/(-2))))/(50*x*(925-x)) = 0 // * 50*x*(925-x)
(x-((25*1385^(1/2)-825)/(-2)))*(x-((-25*1385^(1/2)-825)/(-2))) = 0
( x-((-25*1385^(1/2)-825)/(-2)) )
x-((-25*1385^(1/2)-825)/(-2)) = 0 // + (-25*1385^(1/2)-825)/(-2)
x = (-25*1385^(1/2)-825)/(-2)
( x-((25*1385^(1/2)-825)/(-2)) )
x-((25*1385^(1/2)-825)/(-2)) = 0 // + (25*1385^(1/2)-825)/(-2)
x = (25*1385^(1/2)-825)/(-2)
x in { (-25*1385^(1/2)-825)/(-2), (25*1385^(1/2)-825)/(-2) }
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