(X-9)(x-9)=66

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Solution for (X-9)(x-9)=66 equation:


Simplifying
(X + -9)(x + -9) = 66

Reorder the terms:
(-9 + X)(x + -9) = 66

Reorder the terms:
(-9 + X)(-9 + x) = 66

Multiply (-9 + X) * (-9 + x)
(-9(-9 + x) + X(-9 + x)) = 66
((-9 * -9 + x * -9) + X(-9 + x)) = 66
((81 + -9x) + X(-9 + x)) = 66
(81 + -9x + (-9 * X + x * X)) = 66
(81 + -9x + (-9X + xX)) = 66

Reorder the terms:
(81 + -9X + -9x + xX) = 66
(81 + -9X + -9x + xX) = 66

Solving
81 + -9X + -9x + xX = 66

Solving for variable 'X'.

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

Add '-81' to each side of the equation.
81 + -9X + -9x + -81 + xX = 66 + -81

Reorder the terms:
81 + -81 + -9X + -9x + xX = 66 + -81

Combine like terms: 81 + -81 = 0
0 + -9X + -9x + xX = 66 + -81
-9X + -9x + xX = 66 + -81

Combine like terms: 66 + -81 = -15
-9X + -9x + xX = -15

Add '9x' to each side of the equation.
-9X + -9x + 9x + xX = -15 + 9x

Combine like terms: -9x + 9x = 0
-9X + 0 + xX = -15 + 9x
-9X + xX = -15 + 9x

Reorder the terms:
15 + -9X + -9x + xX = -15 + 9x + 15 + -9x

Reorder the terms:
15 + -9X + -9x + xX = -15 + 15 + 9x + -9x

Combine like terms: -15 + 15 = 0
15 + -9X + -9x + xX = 0 + 9x + -9x
15 + -9X + -9x + xX = 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -9X + -9x + xX = 0

The solution to this equation could not be determined.

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