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3*x^3+22*x^2+15*x-100 = 0/(-4) // - 0/(-4)
3*x^3+22*x^2+15*x-(0/(-4))-100 = 0
3*x^3+22*x^2+15*x-100 = 0
3*x^3+22*x^2+15*x-100 = 0
{ 1, -1, 2, -2, 4, -4, 5, -5, 10, -10, 20, -20, 25, -25, 50, -50, 100, -100 }
1
x = 1
3*x^3+22*x^2+15*x-100 = -60
1
-1
x = -1
3*x^3+22*x^2+15*x-100 = -96
-1
2
x = 2
3*x^3+22*x^2+15*x-100 = 42
2
-2
x = -2
3*x^3+22*x^2+15*x-100 = -66
-2
4
x = 4
3*x^3+22*x^2+15*x-100 = 504
4
-4
x = -4
3*x^3+22*x^2+15*x-100 = 0
-4
x+4
3*x^2+10*x-25
3*x^3+22*x^2+15*x-100
x+4
-3*x^3-12*x^2
10*x^2+15*x-100
-10*x^2-40*x
-25*x-100
25*x+100
0
3*x^2+10*x-25 = 0
DELTA = 10^2-(-25*3*4)
DELTA = 400
DELTA > 0
x = (400^(1/2)-10)/(2*3) or x = (-400^(1/2)-10)/(2*3)
x = 5/3 or x = -5
x in { -5, 5/3, -4}
x in { -5, 5/3, -4 }
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