(X+3)(x-3)=12

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Solution for (X+3)(x-3)=12 equation:


Simplifying
(X + 3)(x + -3) = 12

Reorder the terms:
(3 + X)(x + -3) = 12

Reorder the terms:
(3 + X)(-3 + x) = 12

Multiply (3 + X) * (-3 + x)
(3(-3 + x) + X(-3 + x)) = 12
((-3 * 3 + x * 3) + X(-3 + x)) = 12
((-9 + 3x) + X(-3 + x)) = 12
(-9 + 3x + (-3 * X + x * X)) = 12
(-9 + 3x + (-3X + xX)) = 12

Reorder the terms:
(-9 + -3X + 3x + xX) = 12
(-9 + -3X + 3x + xX) = 12

Solving
-9 + -3X + 3x + xX = 12

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 = 12 + 9

Reorder the terms:
-9 + 9 + -3X + 3x + xX = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -3X + 3x + xX = 12 + 9
-3X + 3x + xX = 12 + 9

Combine like terms: 12 + 9 = 21
-3X + 3x + xX = 21

Add '-3x' to each side of the equation.
-3X + 3x + -3x + xX = 21 + -3x

Combine like terms: 3x + -3x = 0
-3X + 0 + xX = 21 + -3x
-3X + xX = 21 + -3x

Reorder the terms:
-21 + -3X + 3x + xX = 21 + -3x + -21 + 3x

Reorder the terms:
-21 + -3X + 3x + xX = 21 + -21 + -3x + 3x

Combine like terms: 21 + -21 = 0
-21 + -3X + 3x + xX = 0 + -3x + 3x
-21 + -3X + 3x + xX = -3x + 3x

Combine like terms: -3x + 3x = 0
-21 + -3X + 3x + xX = 0

The solution to this equation could not be determined.

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