(X+3)(x-9)=28

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Solution for (X+3)(x-9)=28 equation:


Simplifying
(X + 3)(x + -9) = 28

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

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

Multiply (3 + X) * (-9 + x)
(3(-9 + x) + X(-9 + x)) = 28
((-9 * 3 + x * 3) + X(-9 + x)) = 28
((-27 + 3x) + X(-9 + x)) = 28
(-27 + 3x + (-9 * X + x * X)) = 28
(-27 + 3x + (-9X + xX)) = 28

Reorder the terms:
(-27 + -9X + 3x + xX) = 28
(-27 + -9X + 3x + xX) = 28

Solving
-27 + -9X + 3x + xX = 28

Solving for variable 'X'.

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

Add '27' to each side of the equation.
-27 + -9X + 3x + 27 + xX = 28 + 27

Reorder the terms:
-27 + 27 + -9X + 3x + xX = 28 + 27

Combine like terms: -27 + 27 = 0
0 + -9X + 3x + xX = 28 + 27
-9X + 3x + xX = 28 + 27

Combine like terms: 28 + 27 = 55
-9X + 3x + xX = 55

Add '-3x' to each side of the equation.
-9X + 3x + -3x + xX = 55 + -3x

Combine like terms: 3x + -3x = 0
-9X + 0 + xX = 55 + -3x
-9X + xX = 55 + -3x

Reorder the terms:
-55 + -9X + 3x + xX = 55 + -3x + -55 + 3x

Reorder the terms:
-55 + -9X + 3x + xX = 55 + -55 + -3x + 3x

Combine like terms: 55 + -55 = 0
-55 + -9X + 3x + xX = 0 + -3x + 3x
-55 + -9X + 3x + xX = -3x + 3x

Combine like terms: -3x + 3x = 0
-55 + -9X + 3x + xX = 0

The solution to this equation could not be determined.

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