x^3=2x+x^2

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


Simplifying
x3 = 2x + x2

Solving
x3 = 2x + x2

Solving for variable 'x'.

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

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

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

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(-2 + -1x + x2) = 0

Factor a trinomial.
x((-1 + -1x)(2 + -1x)) = 0

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 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 3

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0, -1, 2}

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