2x^3-x+1-(x+2)(x^2-x-1)=

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Solution for 2x^3-x+1-(x+2)(x^2-x-1)= equation:


Simplifying
2x3 + -1x + 1 + -1(x + 2)(x2 + -1x + -1) = 0

Reorder the terms:
2x3 + -1x + 1 + -1(2 + x)(x2 + -1x + -1) = 0

Reorder the terms:
2x3 + -1x + 1 + -1(2 + x)(-1 + -1x + x2) = 0

Multiply (2 + x) * (-1 + -1x + x2)
2x3 + -1x + 1 + -1(2(-1 + -1x + x2) + x(-1 + -1x + x2)) = 0
2x3 + -1x + 1 + -1((-1 * 2 + -1x * 2 + x2 * 2) + x(-1 + -1x + x2)) = 0
2x3 + -1x + 1 + -1((-2 + -2x + 2x2) + x(-1 + -1x + x2)) = 0
2x3 + -1x + 1 + -1(-2 + -2x + 2x2 + (-1 * x + -1x * x + x2 * x)) = 0
2x3 + -1x + 1 + -1(-2 + -2x + 2x2 + (-1x + -1x2 + x3)) = 0

Reorder the terms:
2x3 + -1x + 1 + -1(-2 + -2x + -1x + 2x2 + -1x2 + x3) = 0

Combine like terms: -2x + -1x = -3x
2x3 + -1x + 1 + -1(-2 + -3x + 2x2 + -1x2 + x3) = 0

Combine like terms: 2x2 + -1x2 = 1x2
2x3 + -1x + 1 + -1(-2 + -3x + 1x2 + x3) = 0
2x3 + -1x + 1 + (-2 * -1 + -3x * -1 + 1x2 * -1 + x3 * -1) = 0
2x3 + -1x + 1 + (2 + 3x + -1x2 + -1x3) = 0

Reorder the terms:
1 + 2 + -1x + 3x + -1x2 + 2x3 + -1x3 = 0

Combine like terms: 1 + 2 = 3
3 + -1x + 3x + -1x2 + 2x3 + -1x3 = 0

Combine like terms: -1x + 3x = 2x
3 + 2x + -1x2 + 2x3 + -1x3 = 0

Combine like terms: 2x3 + -1x3 = 1x3
3 + 2x + -1x2 + 1x3 = 0

Solving
3 + 2x + -1x2 + 1x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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