x=3x^3-12x^2+3x

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Solution for x=3x^3-12x^2+3x equation:


Simplifying
x = 3x3 + -12x2 + 3x

Reorder the terms:
x = 3x + -12x2 + 3x3

Solving
x = 3x + -12x2 + 3x3

Solving for variable 'x'.

Combine like terms: x + -3x = -2x
-2x + 12x2 + -3x3 = 3x + -12x2 + 3x3 + -3x + 12x2 + -3x3

Reorder the terms:
-2x + 12x2 + -3x3 = 3x + -3x + -12x2 + 12x2 + 3x3 + -3x3

Combine like terms: 3x + -3x = 0
-2x + 12x2 + -3x3 = 0 + -12x2 + 12x2 + 3x3 + -3x3
-2x + 12x2 + -3x3 = -12x2 + 12x2 + 3x3 + -3x3

Combine like terms: -12x2 + 12x2 = 0
-2x + 12x2 + -3x3 = 0 + 3x3 + -3x3
-2x + 12x2 + -3x3 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
-2x + 12x2 + -3x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-2 + 12x + -3x2) = 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 '(-2 + 12x + -3x2)' equal to zero and attempt to solve: Simplifying -2 + 12x + -3x2 = 0 Solving -2 + 12x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. 0.6666666667 + -4x + x2 = 0 Move the constant term to the right: Add '-0.6666666667' to each side of the equation. 0.6666666667 + -4x + -0.6666666667 + x2 = 0 + -0.6666666667 Reorder the terms: 0.6666666667 + -0.6666666667 + -4x + x2 = 0 + -0.6666666667 Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000 0.0000000000 + -4x + x2 = 0 + -0.6666666667 -4x + x2 = 0 + -0.6666666667 Combine like terms: 0 + -0.6666666667 = -0.6666666667 -4x + x2 = -0.6666666667 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -0.6666666667 + 4 Reorder the terms: 4 + -4x + x2 = -0.6666666667 + 4 Combine like terms: -0.6666666667 + 4 = 3.3333333333 4 + -4x + x2 = 3.3333333333 Factor a perfect square on the left side: (x + -2)(x + -2) = 3.3333333333 Calculate the square root of the right side: 1.825741858 Break this problem into two subproblems by setting (x + -2) equal to 1.825741858 and -1.825741858.

Subproblem 1

x + -2 = 1.825741858 Simplifying x + -2 = 1.825741858 Reorder the terms: -2 + x = 1.825741858 Solving -2 + x = 1.825741858 Solving for variable 'x'. 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 = 1.825741858 + 2 Combine like terms: -2 + 2 = 0 0 + x = 1.825741858 + 2 x = 1.825741858 + 2 Combine like terms: 1.825741858 + 2 = 3.825741858 x = 3.825741858 Simplifying x = 3.825741858

Subproblem 2

x + -2 = -1.825741858 Simplifying x + -2 = -1.825741858 Reorder the terms: -2 + x = -1.825741858 Solving -2 + x = -1.825741858 Solving for variable 'x'. 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 = -1.825741858 + 2 Combine like terms: -2 + 2 = 0 0 + x = -1.825741858 + 2 x = -1.825741858 + 2 Combine like terms: -1.825741858 + 2 = 0.174258142 x = 0.174258142 Simplifying x = 0.174258142

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.825741858, 0.174258142}

Solution

x = {0, 3.825741858, 0.174258142}

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