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(1/4)*x^3-((3/4)*x^2)+1 = 0
(1/4)*x^3+(-3/4)*x^2+1 = 0
(1/4)*x^3+(-3/4)*x^2+1 = 0
(1/4)*x^3+(-3/4)*x^2+1 = 0 // * 0
{ 1, -1, 2, -2, 4, -4 }
1
x = 1
x^3-3*x^2+4 = 2
1
-1
x = -1
x^3-3*x^2+4 = 0
-1
x+1
x^2-4*x+4
x^3-3*x^2+4
x+1
-x^3-x^2
4-4*x^2
4*x^2+4*x
4*x+4
-4*x-4
0
x^2-4*x+4 = 0
DELTA = (-4)^2-(1*4*4)
DELTA = 0
x = 4/(1*2)
x = 2 or x = 2
x in { 2, 2, -1}
x in { 2, 2, -1 }
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