(X-4)*(x^2-3x-9)=

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Solution for (X-4)*(x^2-3x-9)= equation: 


Simplifying
(X + -4)(x2 + -3x + -9) = 0

Reorder the terms:
(-4 + X)(x2 + -3x + -9) = 0

Reorder the terms:
(-4 + X)(-9 + -3x + x2) = 0

Multiply (-4 + X) * (-9 + -3x + x2)
(-4(-9 + -3x + x2) + X(-9 + -3x + x2)) = 0
((-9 * -4 + -3x * -4 + x2 * -4) + X(-9 + -3x + x2)) = 0
((36 + 12x + -4x2) + X(-9 + -3x + x2)) = 0
(36 + 12x + -4x2 + (-9 * X + -3x * X + x2 * X)) = 0
(36 + 12x + -4x2 + (-9X + -3xX + x2X)) = 0

Reorder the terms:
(36 + -9X + 12x + -3xX + -4x2 + x2X) = 0
(36 + -9X + 12x + -3xX + -4x2 + x2X) = 0

Solving
36 + -9X + 12x + -3xX + -4x2 + x2X = 0

Solving for variable 'X'.

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

Add '-36' to each side of the equation.
36 + -9X + 12x + -3xX + -4x2 + -36 + x2X = 0 + -36

Reorder the terms:
36 + -36 + -9X + 12x + -3xX + -4x2 + x2X = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -9X + 12x + -3xX + -4x2 + x2X = 0 + -36
-9X + 12x + -3xX + -4x2 + x2X = 0 + -36

Combine like terms: 0 + -36 = -36
-9X + 12x + -3xX + -4x2 + x2X = -36

Add '-12x' to each side of the equation.
-9X + 12x + -3xX + -4x2 + -12x + x2X = -36 + -12x

Reorder the terms:
-9X + 12x + -12x + -3xX + -4x2 + x2X = -36 + -12x

Combine like terms: 12x + -12x = 0
-9X + 0 + -3xX + -4x2 + x2X = -36 + -12x
-9X + -3xX + -4x2 + x2X = -36 + -12x

Add '4x2' to each side of the equation.
-9X + -3xX + -4x2 + 4x2 + x2X = -36 + -12x + 4x2

Combine like terms: -4x2 + 4x2 = 0
-9X + -3xX + 0 + x2X = -36 + -12x + 4x2
-9X + -3xX + x2X = -36 + -12x + 4x2

Reorder the terms:
36 + -9X + 12x + -3xX + -4x2 + x2X = -36 + -12x + 4x2 + 36 + 12x + -4x2

Reorder the terms:
36 + -9X + 12x + -3xX + -4x2 + x2X = -36 + 36 + -12x + 12x + 4x2 + -4x2

Combine like terms: -36 + 36 = 0
36 + -9X + 12x + -3xX + -4x2 + x2X = 0 + -12x + 12x + 4x2 + -4x2
36 + -9X + 12x + -3xX + -4x2 + x2X = -12x + 12x + 4x2 + -4x2

Combine like terms: -12x + 12x = 0
36 + -9X + 12x + -3xX + -4x2 + x2X = 0 + 4x2 + -4x2
36 + -9X + 12x + -3xX + -4x2 + x2X = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
36 + -9X + 12x + -3xX + -4x2 + x2X = 0

The solution to this equation could not be determined.

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