2x-1=-8x*8x

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Solution for 2x-1=-8x*8x equation:


Simplifying
2x + -1 = -8x * 8x

Reorder the terms:
-1 + 2x = -8x * 8x

Reorder the terms for easier multiplication:
-1 + 2x = -8 * 8x * x

Multiply -8 * 8
-1 + 2x = -64x * x

Multiply x * x
-1 + 2x = -64x2

Solving
-1 + 2x = -64x2

Solving for variable 'x'.

Combine like terms: -64x2 + 64x2 = 0
-1 + 2x + 64x2 = 0

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

Divide each side by '64'.
-0.015625 + 0.03125x + x2 = 0

Move the constant term to the right:

Add '0.015625' to each side of the equation.
-0.015625 + 0.03125x + 0.015625 + x2 = 0 + 0.015625

Reorder the terms:
-0.015625 + 0.015625 + 0.03125x + x2 = 0 + 0.015625

Combine like terms: -0.015625 + 0.015625 = 0.000000
0.000000 + 0.03125x + x2 = 0 + 0.015625
0.03125x + x2 = 0 + 0.015625

Combine like terms: 0 + 0.015625 = 0.015625
0.03125x + x2 = 0.015625

The x term is 0.03125x.  Take half its coefficient (0.015625).
Square it (0.000244140625) and add it to both sides.

Add '0.000244140625' to each side of the equation.
0.03125x + 0.000244140625 + x2 = 0.015625 + 0.000244140625

Reorder the terms:
0.000244140625 + 0.03125x + x2 = 0.015625 + 0.000244140625

Combine like terms: 0.015625 + 0.000244140625 = 0.015869140625
0.000244140625 + 0.03125x + x2 = 0.015869140625

Factor a perfect square on the left side:
(x + 0.015625)(x + 0.015625) = 0.015869140625

Calculate the square root of the right side: 0.125972777

Break this problem into two subproblems by setting 
(x + 0.015625) equal to 0.125972777 and -0.125972777.

Subproblem 1

x + 0.015625 = 0.125972777 Simplifying x + 0.015625 = 0.125972777 Reorder the terms: 0.015625 + x = 0.125972777 Solving 0.015625 + x = 0.125972777 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.015625' to each side of the equation. 0.015625 + -0.015625 + x = 0.125972777 + -0.015625 Combine like terms: 0.015625 + -0.015625 = 0.000000 0.000000 + x = 0.125972777 + -0.015625 x = 0.125972777 + -0.015625 Combine like terms: 0.125972777 + -0.015625 = 0.110347777 x = 0.110347777 Simplifying x = 0.110347777

Subproblem 2

x + 0.015625 = -0.125972777 Simplifying x + 0.015625 = -0.125972777 Reorder the terms: 0.015625 + x = -0.125972777 Solving 0.015625 + x = -0.125972777 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.015625' to each side of the equation. 0.015625 + -0.015625 + x = -0.125972777 + -0.015625 Combine like terms: 0.015625 + -0.015625 = 0.000000 0.000000 + x = -0.125972777 + -0.015625 x = -0.125972777 + -0.015625 Combine like terms: -0.125972777 + -0.015625 = -0.141597777 x = -0.141597777 Simplifying x = -0.141597777

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.110347777, -0.141597777}

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