4x^2-8x=8x-16-4

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Solution for 4x^2-8x=8x-16-4 equation:


Simplifying
4x2 + -8x = 8x + -16 + -4

Reorder the terms:
-8x + 4x2 = 8x + -16 + -4

Reorder the terms:
-8x + 4x2 = -16 + -4 + 8x

Combine like terms: -16 + -4 = -20
-8x + 4x2 = -20 + 8x

Solving
-8x + 4x2 = -20 + 8x

Solving for variable 'x'.

Reorder the terms:
20 + -8x + -8x + 4x2 = -20 + 8x + 20 + -8x

Combine like terms: -8x + -8x = -16x
20 + -16x + 4x2 = -20 + 8x + 20 + -8x

Reorder the terms:
20 + -16x + 4x2 = -20 + 20 + 8x + -8x

Combine like terms: -20 + 20 = 0
20 + -16x + 4x2 = 0 + 8x + -8x
20 + -16x + 4x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
20 + -16x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(5 + -4x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(5 + -4x + x2)' equal to zero and attempt to solve: Simplifying 5 + -4x + x2 = 0 Solving 5 + -4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + -4x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x + x2 = 0 + -5 -4x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4x + x2 = -5 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -5 + 4 Reorder the terms: 4 + -4x + x2 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + -4x + x2 = -1 Factor a perfect square on the left side: (x + -2)(x + -2) = -1 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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