(X-2)(x+2)=9

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Solution for (X-2)(x+2)=9 equation:


Simplifying
(X + -2)(x + 2) = 9

Reorder the terms:
(-2 + X)(x + 2) = 9

Reorder the terms:
(-2 + X)(2 + x) = 9

Multiply (-2 + X) * (2 + x)
(-2(2 + x) + X(2 + x)) = 9
((2 * -2 + x * -2) + X(2 + x)) = 9
((-4 + -2x) + X(2 + x)) = 9
(-4 + -2x + (2 * X + x * X)) = 9
(-4 + -2x + (2X + xX)) = 9

Reorder the terms:
(-4 + 2X + -2x + xX) = 9
(-4 + 2X + -2x + xX) = 9

Solving
-4 + 2X + -2x + xX = 9

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + 2X + -2x + 4 + xX = 9 + 4

Reorder the terms:
-4 + 4 + 2X + -2x + xX = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 2X + -2x + xX = 9 + 4
2X + -2x + xX = 9 + 4

Combine like terms: 9 + 4 = 13
2X + -2x + xX = 13

Add '2x' to each side of the equation.
2X + -2x + 2x + xX = 13 + 2x

Combine like terms: -2x + 2x = 0
2X + 0 + xX = 13 + 2x
2X + xX = 13 + 2x

Reorder the terms:
-13 + 2X + -2x + xX = 13 + 2x + -13 + -2x

Reorder the terms:
-13 + 2X + -2x + xX = 13 + -13 + 2x + -2x

Combine like terms: 13 + -13 = 0
-13 + 2X + -2x + xX = 0 + 2x + -2x
-13 + 2X + -2x + xX = 2x + -2x

Combine like terms: 2x + -2x = 0
-13 + 2X + -2x + xX = 0

The solution to this equation could not be determined.

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