3x^3-x^2-10x=-x^2+2x

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Solution for 3x^3-x^2-10x=-x^2+2x equation:


Simplifying
3x3 + -1x2 + -10x = -1x2 + 2x

Reorder the terms:
-10x + -1x2 + 3x3 = -1x2 + 2x

Reorder the terms:
-10x + -1x2 + 3x3 = 2x + -1x2

Add 'x2' to each side of the equation.
-10x + -1x2 + x2 + 3x3 = 2x + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-10x + 0 + 3x3 = 2x + -1x2 + x2
-10x + 3x3 = 2x + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-10x + 3x3 = 2x + 0
-10x + 3x3 = 2x

Solving
-10x + 3x3 = 2x

Solving for variable 'x'.

Reorder the terms:
-10x + -2x + 3x3 = 2x + -2x

Combine like terms: -10x + -2x = -12x
-12x + 3x3 = 2x + -2x

Combine like terms: 2x + -2x = 0
-12x + 3x3 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-4 + x2) = 0

Factor a difference between two squares.
3x((2 + x)(-2 + x)) = 0

Ignore the factor 3.

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 '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(-2 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 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 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Simplifying x = 2

Solution

x = {0, -2, 2}

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