x^3+2x^2+x=x^3-x

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Solution for x^3+2x^2+x=x^3-x equation:


Simplifying
x3 + 2x2 + x = x3 + -1x

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

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

Add '-1x3' to each side of the equation.
x + 2x2 + x3 + -1x3 = -1x + x3 + -1x3

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

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

Solving
x + 2x2 = -1x

Solving for variable 'x'.

Reorder the terms:
x + x + 2x2 = -1x + x

Combine like terms: x + x = 2x
2x + 2x2 = -1x + x

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

Factor out the Greatest Common Factor (GCF), '2x'.
2x(1 + x) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0, -1}

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