8x-2=2x(4x+6)

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Solution for 8x-2=2x(4x+6) equation: 


Simplifying
8x + -2 = 2x(4x + 6)

Reorder the terms:
-2 + 8x = 2x(4x + 6)

Reorder the terms:
-2 + 8x = 2x(6 + 4x)
-2 + 8x = (6 * 2x + 4x * 2x)
-2 + 8x = (12x + 8x2)

Solving
-2 + 8x = 12x + 8x2

Solving for variable 'x'.

Combine like terms: 8x + -12x = -4x
-2 + -4x + -8x2 = 12x + 8x2 + -12x + -8x2

Reorder the terms:
-2 + -4x + -8x2 = 12x + -12x + 8x2 + -8x2

Combine like terms: 12x + -12x = 0
-2 + -4x + -8x2 = 0 + 8x2 + -8x2
-2 + -4x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-2 + -4x + -8x2 = 0

Factor out the Greatest Common Factor (GCF), '-2'.
-2(1 + 2x + 4x2) = 0

Ignore the factor -2.

Subproblem 1
Set the factor '(1 + 2x + 4x2)' equal to zero and attempt to solve:

Simplifying
1 + 2x + 4x2 = 0

Solving
1 + 2x + 4x2 = 0

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

Divide each side by '4'.
0.25 + 0.5x + x2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + 0.5x + -0.25 + x2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + 0.5x + x2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + 0.5x + x2 = 0 + -0.25
0.5x + x2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
0.5x + x2 = -0.25

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 = -0.25 + 0.0625

Reorder the terms:
0.0625 + 0.5x + x2 = -0.25 + 0.0625

Combine like terms: -0.25 + 0.0625 = -0.1875
0.0625 + 0.5x + x2 = -0.1875

Factor a perfect square on the left side:
(x + 0.25)(x + 0.25) = -0.1875

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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