5+(8x-12)4x=-x

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Solution for 5+(8x-12)4x=-x equation:


Simplifying
5 + (8x + -12) * 4x = -1x

Reorder the terms:
5 + (-12 + 8x) * 4x = -1x

Reorder the terms for easier multiplication:
5 + 4x(-12 + 8x) = -1x
5 + (-12 * 4x + 8x * 4x) = -1x
5 + (-48x + 32x2) = -1x

Solving
5 + -48x + 32x2 = -1x

Solving for variable 'x'.

Reorder the terms:
5 + -48x + x + 32x2 = -1x + x

Combine like terms: -48x + x = -47x
5 + -47x + 32x2 = -1x + x

Combine like terms: -1x + x = 0
5 + -47x + 32x2 = 0

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

Divide each side by '32'.
0.15625 + -1.46875x + x2 = 0

Move the constant term to the right:

Add '-0.15625' to each side of the equation.
0.15625 + -1.46875x + -0.15625 + x2 = 0 + -0.15625

Reorder the terms:
0.15625 + -0.15625 + -1.46875x + x2 = 0 + -0.15625

Combine like terms: 0.15625 + -0.15625 = 0.00000
0.00000 + -1.46875x + x2 = 0 + -0.15625
-1.46875x + x2 = 0 + -0.15625

Combine like terms: 0 + -0.15625 = -0.15625
-1.46875x + x2 = -0.15625

The x term is -1.46875x.  Take half its coefficient (-0.734375).
Square it (0.5393066406) and add it to both sides.

Add '0.5393066406' to each side of the equation.
-1.46875x + 0.5393066406 + x2 = -0.15625 + 0.5393066406

Reorder the terms:
0.5393066406 + -1.46875x + x2 = -0.15625 + 0.5393066406

Combine like terms: -0.15625 + 0.5393066406 = 0.3830566406
0.5393066406 + -1.46875x + x2 = 0.3830566406

Factor a perfect square on the left side:
(x + -0.734375)(x + -0.734375) = 0.3830566406

Calculate the square root of the right side: 0.618915697

Break this problem into two subproblems by setting 
(x + -0.734375) equal to 0.618915697 and -0.618915697.

Subproblem 1

x + -0.734375 = 0.618915697 Simplifying x + -0.734375 = 0.618915697 Reorder the terms: -0.734375 + x = 0.618915697 Solving -0.734375 + x = 0.618915697 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.734375' to each side of the equation. -0.734375 + 0.734375 + x = 0.618915697 + 0.734375 Combine like terms: -0.734375 + 0.734375 = 0.000000 0.000000 + x = 0.618915697 + 0.734375 x = 0.618915697 + 0.734375 Combine like terms: 0.618915697 + 0.734375 = 1.353290697 x = 1.353290697 Simplifying x = 1.353290697

Subproblem 2

x + -0.734375 = -0.618915697 Simplifying x + -0.734375 = -0.618915697 Reorder the terms: -0.734375 + x = -0.618915697 Solving -0.734375 + x = -0.618915697 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.734375' to each side of the equation. -0.734375 + 0.734375 + x = -0.618915697 + 0.734375 Combine like terms: -0.734375 + 0.734375 = 0.000000 0.000000 + x = -0.618915697 + 0.734375 x = -0.618915697 + 0.734375 Combine like terms: -0.618915697 + 0.734375 = 0.115459303 x = 0.115459303 Simplifying x = 0.115459303

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.353290697, 0.115459303}

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