(X-3)(x+3)=9

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Solution for (X-3)(x+3)=9 equation:


Simplifying
(X + -3)(x + 3) = 9

Reorder the terms:
(-3 + X)(x + 3) = 9

Reorder the terms:
(-3 + X)(3 + x) = 9

Multiply (-3 + X) * (3 + x)
(-3(3 + x) + X(3 + x)) = 9
((3 * -3 + x * -3) + X(3 + x)) = 9
((-9 + -3x) + X(3 + x)) = 9
(-9 + -3x + (3 * X + x * X)) = 9
(-9 + -3x + (3X + xX)) = 9

Reorder the terms:
(-9 + 3X + -3x + xX) = 9
(-9 + 3X + -3x + xX) = 9

Solving
-9 + 3X + -3x + xX = 9

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 3X + -3x + 9 + xX = 9 + 9

Reorder the terms:
-9 + 9 + 3X + -3x + xX = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 3X + -3x + xX = 9 + 9
3X + -3x + xX = 9 + 9

Combine like terms: 9 + 9 = 18
3X + -3x + xX = 18

Add '3x' to each side of the equation.
3X + -3x + 3x + xX = 18 + 3x

Combine like terms: -3x + 3x = 0
3X + 0 + xX = 18 + 3x
3X + xX = 18 + 3x

Reorder the terms:
-18 + 3X + -3x + xX = 18 + 3x + -18 + -3x

Reorder the terms:
-18 + 3X + -3x + xX = 18 + -18 + 3x + -3x

Combine like terms: 18 + -18 = 0
-18 + 3X + -3x + xX = 0 + 3x + -3x
-18 + 3X + -3x + xX = 3x + -3x

Combine like terms: 3x + -3x = 0
-18 + 3X + -3x + xX = 0

The solution to this equation could not be determined.

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