2x-2=3x(4x+6)

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Solution for 2x-2=3x(4x+6) equation:


Simplifying
2x + -2 = 3x(4x + 6)

Reorder the terms:
-2 + 2x = 3x(4x + 6)

Reorder the terms:
-2 + 2x = 3x(6 + 4x)
-2 + 2x = (6 * 3x + 4x * 3x)
-2 + 2x = (18x + 12x2)

Solving
-2 + 2x = 18x + 12x2

Solving for variable 'x'.

Combine like terms: 2x + -18x = -16x
-2 + -16x + -12x2 = 18x + 12x2 + -18x + -12x2

Reorder the terms:
-2 + -16x + -12x2 = 18x + -18x + 12x2 + -12x2

Combine like terms: 18x + -18x = 0
-2 + -16x + -12x2 = 0 + 12x2 + -12x2
-2 + -16x + -12x2 = 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
-2 + -16x + -12x2 = 0

Factor out the Greatest Common Factor (GCF), '-2'.
-2(1 + 8x + 6x2) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(1 + 8x + 6x2)' equal to zero and attempt to solve: Simplifying 1 + 8x + 6x2 = 0 Solving 1 + 8x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 0.1666666667 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '-0.1666666667' to each side of the equation. 0.1666666667 + 1.333333333x + -0.1666666667 + x2 = 0 + -0.1666666667 Reorder the terms: 0.1666666667 + -0.1666666667 + 1.333333333x + x2 = 0 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + 1.333333333x + x2 = 0 + -0.1666666667 1.333333333x + x2 = 0 + -0.1666666667 Combine like terms: 0 + -0.1666666667 = -0.1666666667 1.333333333x + x2 = -0.1666666667 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = -0.1666666667 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = -0.1666666667 + 0.4444444442 Combine like terms: -0.1666666667 + 0.4444444442 = 0.2777777775 0.4444444442 + 1.333333333x + x2 = 0.2777777775 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 0.2777777775 Calculate the square root of the right side: 0.527046276 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 0.527046276 and -0.527046276.

Subproblem 1

x + 0.6666666665 = 0.527046276 Simplifying x + 0.6666666665 = 0.527046276 Reorder the terms: 0.6666666665 + x = 0.527046276 Solving 0.6666666665 + x = 0.527046276 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = 0.527046276 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 0.527046276 + -0.6666666665 x = 0.527046276 + -0.6666666665 Combine like terms: 0.527046276 + -0.6666666665 = -0.1396203905 x = -0.1396203905 Simplifying x = -0.1396203905

Subproblem 2

x + 0.6666666665 = -0.527046276 Simplifying x + 0.6666666665 = -0.527046276 Reorder the terms: 0.6666666665 + x = -0.527046276 Solving 0.6666666665 + x = -0.527046276 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = -0.527046276 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -0.527046276 + -0.6666666665 x = -0.527046276 + -0.6666666665 Combine like terms: -0.527046276 + -0.6666666665 = -1.1937129425 x = -1.1937129425 Simplifying x = -1.1937129425

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.1396203905, -1.1937129425}

Solution

x = {-0.1396203905, -1.1937129425}

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