(x-4)(x-2)=-2

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Solution for (x-4)(x-2)=-2 equation:


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

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

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

Multiply (-4 + x) * (-2 + x)
(-4(-2 + x) + x(-2 + x)) = -2
((-2 * -4 + x * -4) + x(-2 + x)) = -2
((8 + -4x) + x(-2 + x)) = -2
(8 + -4x + (-2 * x + x * x)) = -2
(8 + -4x + (-2x + x2)) = -2

Combine like terms: -4x + -2x = -6x
(8 + -6x + x2) = -2

Solving
8 + -6x + x2 = -2

Solving for variable 'x'.

Reorder the terms:
8 + 2 + -6x + x2 = -2 + 2

Combine like terms: 8 + 2 = 10
10 + -6x + x2 = -2 + 2

Combine like terms: -2 + 2 = 0
10 + -6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -6x + -10 + x2 = 0 + -10

Reorder the terms:
10 + -10 + -6x + x2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -6x + x2 = 0 + -10
-6x + x2 = 0 + -10

Combine like terms: 0 + -10 = -10
-6x + x2 = -10

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -10 + 9

Reorder the terms:
9 + -6x + x2 = -10 + 9

Combine like terms: -10 + 9 = -1
9 + -6x + x2 = -1

Factor a perfect square on the left side:
(x + -3)(x + -3) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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