3x(2x-2)=3x-2

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Solution for 3x(2x-2)=3x-2 equation:


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

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

Reorder the terms:
-6x + 6x2 = -2 + 3x

Solving
-6x + 6x2 = -2 + 3x

Solving for variable 'x'.

Reorder the terms:
2 + -6x + -3x + 6x2 = -2 + 3x + 2 + -3x

Combine like terms: -6x + -3x = -9x
2 + -9x + 6x2 = -2 + 3x + 2 + -3x

Reorder the terms:
2 + -9x + 6x2 = -2 + 2 + 3x + -3x

Combine like terms: -2 + 2 = 0
2 + -9x + 6x2 = 0 + 3x + -3x
2 + -9x + 6x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
2 + -9x + 6x2 = 0

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
0.3333333333 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-0.3333333333' to each side of the equation.
0.3333333333 + -1.5x + -0.3333333333 + x2 = 0 + -0.3333333333

Reorder the terms:
0.3333333333 + -0.3333333333 + -1.5x + x2 = 0 + -0.3333333333

Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000
0.0000000000 + -1.5x + x2 = 0 + -0.3333333333
-1.5x + x2 = 0 + -0.3333333333

Combine like terms: 0 + -0.3333333333 = -0.3333333333
-1.5x + x2 = -0.3333333333

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -0.3333333333 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -0.3333333333 + 0.5625

Combine like terms: -0.3333333333 + 0.5625 = 0.2291666667
0.5625 + -1.5x + x2 = 0.2291666667

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 0.2291666667

Calculate the square root of the right side: 0.478713554

Break this problem into two subproblems by setting 
(x + -0.75) equal to 0.478713554 and -0.478713554.

Subproblem 1

x + -0.75 = 0.478713554 Simplifying x + -0.75 = 0.478713554 Reorder the terms: -0.75 + x = 0.478713554 Solving -0.75 + x = 0.478713554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 0.478713554 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 0.478713554 + 0.75 x = 0.478713554 + 0.75 Combine like terms: 0.478713554 + 0.75 = 1.228713554 x = 1.228713554 Simplifying x = 1.228713554

Subproblem 2

x + -0.75 = -0.478713554 Simplifying x + -0.75 = -0.478713554 Reorder the terms: -0.75 + x = -0.478713554 Solving -0.75 + x = -0.478713554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -0.478713554 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -0.478713554 + 0.75 x = -0.478713554 + 0.75 Combine like terms: -0.478713554 + 0.75 = 0.271286446 x = 0.271286446 Simplifying x = 0.271286446

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.228713554, 0.271286446}

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