(X-4)(x-4)-28=9

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Solution for (X-4)(x-4)-28=9 equation:


Simplifying
(X + -4)(x + -4) + -28 = 9

Reorder the terms:
(-4 + X)(x + -4) + -28 = 9

Reorder the terms:
(-4 + X)(-4 + x) + -28 = 9

Multiply (-4 + X) * (-4 + x)
(-4(-4 + x) + X(-4 + x)) + -28 = 9
((-4 * -4 + x * -4) + X(-4 + x)) + -28 = 9
((16 + -4x) + X(-4 + x)) + -28 = 9
(16 + -4x + (-4 * X + x * X)) + -28 = 9
(16 + -4x + (-4X + xX)) + -28 = 9

Reorder the terms:
(16 + -4X + -4x + xX) + -28 = 9
(16 + -4X + -4x + xX) + -28 = 9

Reorder the terms:
16 + -28 + -4X + -4x + xX = 9

Combine like terms: 16 + -28 = -12
-12 + -4X + -4x + xX = 9

Solving
-12 + -4X + -4x + xX = 9

Solving for variable 'X'.

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

Add '12' to each side of the equation.
-12 + -4X + -4x + 12 + xX = 9 + 12

Reorder the terms:
-12 + 12 + -4X + -4x + xX = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -4X + -4x + xX = 9 + 12
-4X + -4x + xX = 9 + 12

Combine like terms: 9 + 12 = 21
-4X + -4x + xX = 21

Add '4x' to each side of the equation.
-4X + -4x + 4x + xX = 21 + 4x

Combine like terms: -4x + 4x = 0
-4X + 0 + xX = 21 + 4x
-4X + xX = 21 + 4x

Reorder the terms:
-21 + -4X + -4x + xX = 21 + 4x + -21 + -4x

Reorder the terms:
-21 + -4X + -4x + xX = 21 + -21 + 4x + -4x

Combine like terms: 21 + -21 = 0
-21 + -4X + -4x + xX = 0 + 4x + -4x
-21 + -4X + -4x + xX = 4x + -4x

Combine like terms: 4x + -4x = 0
-21 + -4X + -4x + xX = 0

The solution to this equation could not be determined.

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