4x^2-2x+k=(2x-a)(2x-a)

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Solution for 4x^2-2x+k=(2x-a)(2x-a) equation:


Simplifying
4x2 + -2x + k = (2x + -1a)(2x + -1a)

Reorder the terms:
k + -2x + 4x2 = (2x + -1a)(2x + -1a)

Reorder the terms:
k + -2x + 4x2 = (-1a + 2x)(2x + -1a)

Reorder the terms:
k + -2x + 4x2 = (-1a + 2x)(-1a + 2x)

Multiply (-1a + 2x) * (-1a + 2x)
k + -2x + 4x2 = (-1a * (-1a + 2x) + 2x * (-1a + 2x))
k + -2x + 4x2 = ((-1a * -1a + 2x * -1a) + 2x * (-1a + 2x))

Reorder the terms:
k + -2x + 4x2 = ((-2ax + 1a2) + 2x * (-1a + 2x))
k + -2x + 4x2 = ((-2ax + 1a2) + 2x * (-1a + 2x))
k + -2x + 4x2 = (-2ax + 1a2 + (-1a * 2x + 2x * 2x))
k + -2x + 4x2 = (-2ax + 1a2 + (-2ax + 4x2))

Reorder the terms:
k + -2x + 4x2 = (-2ax + -2ax + 1a2 + 4x2)

Combine like terms: -2ax + -2ax = -4ax
k + -2x + 4x2 = (-4ax + 1a2 + 4x2)

Add '-4x2' to each side of the equation.
k + -2x + 4x2 + -4x2 = -4ax + 1a2 + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
k + -2x + 0 = -4ax + 1a2 + 4x2 + -4x2
k + -2x = -4ax + 1a2 + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
k + -2x = -4ax + 1a2 + 0
k + -2x = -4ax + 1a2

Solving
k + -2x = -4ax + 1a2

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '2x' to each side of the equation.
k + -2x + 2x = -4ax + 1a2 + 2x

Combine like terms: -2x + 2x = 0
k + 0 = -4ax + 1a2 + 2x
k = -4ax + 1a2 + 2x

Simplifying
k = -4ax + 1a2 + 2x

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