(X-1)(x+2)=18

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Solution for (X-1)(x+2)=18 equation:


Simplifying
(X + -1)(x + 2) = 18

Reorder the terms:
(-1 + X)(x + 2) = 18

Reorder the terms:
(-1 + X)(2 + x) = 18

Multiply (-1 + X) * (2 + x)
(-1(2 + x) + X(2 + x)) = 18
((2 * -1 + x * -1) + X(2 + x)) = 18
((-2 + -1x) + X(2 + x)) = 18
(-2 + -1x + (2 * X + x * X)) = 18
(-2 + -1x + (2X + xX)) = 18

Reorder the terms:
(-2 + 2X + -1x + xX) = 18
(-2 + 2X + -1x + xX) = 18

Solving
-2 + 2X + -1x + xX = 18

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + 2X + -1x + 2 + xX = 18 + 2

Reorder the terms:
-2 + 2 + 2X + -1x + xX = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 2X + -1x + xX = 18 + 2
2X + -1x + xX = 18 + 2

Combine like terms: 18 + 2 = 20
2X + -1x + xX = 20

Add 'x' to each side of the equation.
2X + -1x + x + xX = 20 + x

Combine like terms: -1x + x = 0
2X + 0 + xX = 20 + x
2X + xX = 20 + x

Reorder the terms:
-20 + 2X + -1x + xX = 20 + x + -20 + -1x

Reorder the terms:
-20 + 2X + -1x + xX = 20 + -20 + x + -1x

Combine like terms: 20 + -20 = 0
-20 + 2X + -1x + xX = 0 + x + -1x
-20 + 2X + -1x + xX = x + -1x

Combine like terms: x + -1x = 0
-20 + 2X + -1x + xX = 0

The solution to this equation could not be determined.

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