(2x-.5)(2x-.5)=

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Solution for (2x-.5)(2x-.5)= equation:


Simplifying
(2x + -0.5)(2x + -0.5) = 0

Reorder the terms:
(-0.5 + 2x)(2x + -0.5) = 0

Reorder the terms:
(-0.5 + 2x)(-0.5 + 2x) = 0

Multiply (-0.5 + 2x) * (-0.5 + 2x)
(-0.5(-0.5 + 2x) + 2x * (-0.5 + 2x)) = 0
((-0.5 * -0.5 + 2x * -0.5) + 2x * (-0.5 + 2x)) = 0
((0.25 + -1x) + 2x * (-0.5 + 2x)) = 0
(0.25 + -1x + (-0.5 * 2x + 2x * 2x)) = 0
(0.25 + -1x + (-1x + 4x2)) = 0

Combine like terms: -1x + -1x = -2x
(0.25 + -2x + 4x2) = 0

Solving
0.25 + -2x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
0.0625 + -0.5x + x2 = 0

Move the constant term to the right:

Add '-0.0625' to each side of the equation.
0.0625 + -0.5x + -0.0625 + x2 = 0 + -0.0625

Reorder the terms:
0.0625 + -0.0625 + -0.5x + x2 = 0 + -0.0625

Combine like terms: 0.0625 + -0.0625 = 0.0000
0.0000 + -0.5x + x2 = 0 + -0.0625
-0.5x + x2 = 0 + -0.0625

Combine like terms: 0 + -0.0625 = -0.0625
-0.5x + x2 = -0.0625

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = -0.0625 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = -0.0625 + 0.0625

Combine like terms: -0.0625 + 0.0625 = 0.0000
0.0625 + -0.5x + x2 = 0.0000

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = 0.0000

Calculate the square root of the right side: 0.0000

Break this problem into two subproblems by setting 
(x + -0.25) equal to 0.0000 and 0.0000.

Subproblem 1

x + -0.25 = 0.0000 Simplifying x + -0.25 = 0.0000 Reorder the terms: -0.25 + x = 0.0000 Solving -0.25 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 0.0000 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 0.0000 + 0.25 x = 0.0000 + 0.25 Combine like terms: 0.0000 + 0.25 = 0.25 x = 0.25 Simplifying x = 0.25

Subproblem 2

x + -0.25 = 0.0000 Simplifying x + -0.25 = 0.0000 Reorder the terms: -0.25 + x = 0.0000 Solving -0.25 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 0.0000 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 0.0000 + 0.25 x = 0.0000 + 0.25 Combine like terms: 0.0000 + 0.25 = 0.25 x = 0.25 Simplifying x = 0.25

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.25, 0.25}

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