2x^3+x^2-8x/2x+1

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Solution for 2x^3+x^2-8x/2x+1 equation: 


x in (-oo:+oo)

2*x^3+x^2-(((8*x)/2)*x)+1 = 0

2*x^3+x^2-4*x^2+1 = 0

2*x^3-3*x^2+1 = 0

{ 1, -1 }

1

x = 1

2*x^3-3*x^2+1 = 0

1

x-1

2*x^2-x-1

2*x^3-3*x^2+1

x-1

2*x^2-2*x^3

1-x^2

x^2-x

1-x

x-1

0

2*x^2-x-1 = 0

DELTA = (-1)^2-(-1*2*4)

DELTA = 9

DELTA > 0

x = (9^(1/2)+1)/(2*2) or x = (1-9^(1/2))/(2*2)

x = 1 or x = -1/2

x in { -1/2, 1, 1} 

x in { -1/2, 1, 1 }

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