(X-20)(x-20)=18

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Solution for (X-20)(x-20)=18 equation:


Simplifying
(X + -20)(x + -20) = 18

Reorder the terms:
(-20 + X)(x + -20) = 18

Reorder the terms:
(-20 + X)(-20 + x) = 18

Multiply (-20 + X) * (-20 + x)
(-20(-20 + x) + X(-20 + x)) = 18
((-20 * -20 + x * -20) + X(-20 + x)) = 18
((400 + -20x) + X(-20 + x)) = 18
(400 + -20x + (-20 * X + x * X)) = 18
(400 + -20x + (-20X + xX)) = 18

Reorder the terms:
(400 + -20X + -20x + xX) = 18
(400 + -20X + -20x + xX) = 18

Solving
400 + -20X + -20x + xX = 18

Solving for variable 'X'.

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

Add '-400' to each side of the equation.
400 + -20X + -20x + -400 + xX = 18 + -400

Reorder the terms:
400 + -400 + -20X + -20x + xX = 18 + -400

Combine like terms: 400 + -400 = 0
0 + -20X + -20x + xX = 18 + -400
-20X + -20x + xX = 18 + -400

Combine like terms: 18 + -400 = -382
-20X + -20x + xX = -382

Add '20x' to each side of the equation.
-20X + -20x + 20x + xX = -382 + 20x

Combine like terms: -20x + 20x = 0
-20X + 0 + xX = -382 + 20x
-20X + xX = -382 + 20x

Reorder the terms:
382 + -20X + -20x + xX = -382 + 20x + 382 + -20x

Reorder the terms:
382 + -20X + -20x + xX = -382 + 382 + 20x + -20x

Combine like terms: -382 + 382 = 0
382 + -20X + -20x + xX = 0 + 20x + -20x
382 + -20X + -20x + xX = 20x + -20x

Combine like terms: 20x + -20x = 0
382 + -20X + -20x + xX = 0

The solution to this equation could not be determined.

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