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X in (-oo:+oo)
200 = (X^3-(4*X^2))/3 // - (X^3-(4*X^2))/3
200-((X^3-(4*X^2))/3) = 0
200-((X^3-4*X^2)/3) = 0
(-1*(X^3-4*X^2))/3+200 = 0
(-1*(X^3-4*X^2))/3+(3*200)/3 = 0
3*200-1*(X^3-4*X^2) = 0
4*X^2-X^3+600 = 0
4*X^2-X^3+600 = 0
4*X^2-X^3+600 = 0
{ 1, -1, 2, -2, 3, -3, 4, -4, 5, -5, 6, -6, 8, -8, 10, -10, 12, -12, 15, -15, 20, -20, 24, -24, 25, -25, 30, -30, 40, -40, 50, -50, 60, -60, 75, -75, 100, -100, 120, -120, 150, -150, 200, -200, 300, -300, 600, -600 }
1
X = 1
4*X^2-X^3+600 = 603
1
-1
X = -1
4*X^2-X^3+600 = 605
-1
2
X = 2
4*X^2-X^3+600 = 608
2
-2
X = -2
4*X^2-X^3+600 = 624
-2
3
X = 3
4*X^2-X^3+600 = 609
3
-3
X = -3
4*X^2-X^3+600 = 663
-3
4
X = 4
4*X^2-X^3+600 = 600
4
-4
X = -4
4*X^2-X^3+600 = 728
-4
5
X = 5
4*X^2-X^3+600 = 575
5
-5
X = -5
4*X^2-X^3+600 = 825
-5
6
X = 6
4*X^2-X^3+600 = 528
6
-6
X = -6
4*X^2-X^3+600 = 960
-6
8
X = 8
4*X^2-X^3+600 = 344
8
-8
X = -8
4*X^2-X^3+600 = 1368
-8
10
X = 10
4*X^2-X^3+600 = 0
10
X-10
-X^2-6*X-60
4*X^2-X^3+600
X-10
X^3-10*X^2
600-6*X^2
6*X^2-60*X
600-60*X
60*X-600
0
-X^2-6*X-60 = 0
DELTA = (-6)^2-(-60*(-1)*4)
DELTA = -204
DELTA < 0
X in { 10}
X-10 = 0
(X-10)/3 = 0
(X-10)/3 = 0 // * 3
X-10 = 0
X-10 = 0 // + 10
X = 10
X = 10
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