(X-9)(2x+2)=0

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Solution for (X-9)(2x+2)=0 equation:


Simplifying
(X + -9)(2x + 2) = 0

Reorder the terms:
(-9 + X)(2x + 2) = 0

Reorder the terms:
(-9 + X)(2 + 2x) = 0

Multiply (-9 + X) * (2 + 2x)
(-9(2 + 2x) + X(2 + 2x)) = 0
((2 * -9 + 2x * -9) + X(2 + 2x)) = 0
((-18 + -18x) + X(2 + 2x)) = 0
(-18 + -18x + (2 * X + 2x * X)) = 0
(-18 + -18x + (2X + 2xX)) = 0

Reorder the terms:
(-18 + 2X + -18x + 2xX) = 0
(-18 + 2X + -18x + 2xX) = 0

Solving
-18 + 2X + -18x + 2xX = 0

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + 2X + -18x + 18 + 2xX = 0 + 18

Reorder the terms:
-18 + 18 + 2X + -18x + 2xX = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 2X + -18x + 2xX = 0 + 18
2X + -18x + 2xX = 0 + 18

Combine like terms: 0 + 18 = 18
2X + -18x + 2xX = 18

Add '18x' to each side of the equation.
2X + -18x + 18x + 2xX = 18 + 18x

Combine like terms: -18x + 18x = 0
2X + 0 + 2xX = 18 + 18x
2X + 2xX = 18 + 18x

Reorder the terms:
-18 + 2X + -18x + 2xX = 18 + 18x + -18 + -18x

Reorder the terms:
-18 + 2X + -18x + 2xX = 18 + -18 + 18x + -18x

Combine like terms: 18 + -18 = 0
-18 + 2X + -18x + 2xX = 0 + 18x + -18x
-18 + 2X + -18x + 2xX = 18x + -18x

Combine like terms: 18x + -18x = 0
-18 + 2X + -18x + 2xX = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-9 + X + -9x + xX) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + X + -9x + xX)' equal to zero and attempt to solve: Simplifying -9 + X + -9x + xX = 0 Solving -9 + X + -9x + xX = 0 Move all terms containing X to the left, all other terms to the right. Add '9' to each side of the equation. -9 + X + -9x + 9 + xX = 0 + 9 Reorder the terms: -9 + 9 + X + -9x + xX = 0 + 9 Combine like terms: -9 + 9 = 0 0 + X + -9x + xX = 0 + 9 X + -9x + xX = 0 + 9 Combine like terms: 0 + 9 = 9 X + -9x + xX = 9 Add '9x' to each side of the equation. X + -9x + 9x + xX = 9 + 9x Combine like terms: -9x + 9x = 0 X + 0 + xX = 9 + 9x X + xX = 9 + 9x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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