x=(40-2x)(20-2X)

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Solution for x=(40-2x)(20-2X) equation:


Simplifying
x = (40 + -2x)(20 + -2X)

Multiply (40 + -2x) * (20 + -2X)
x = (40(20 + -2X) + -2x * (20 + -2X))
x = ((20 * 40 + -2X * 40) + -2x * (20 + -2X))
x = ((800 + -80X) + -2x * (20 + -2X))
x = (800 + -80X + (20 * -2x + -2X * -2x))
x = (800 + -80X + (-40x + 4xX))
x = (800 + -80X + -40x + 4xX)

Solving
x = 800 + -80X + -40x + 4xX

Solving for variable 'x'.

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

Add '40x' to each side of the equation.
x + 40x = 800 + -80X + -40x + 40x + 4xX

Combine like terms: x + 40x = 41x
41x = 800 + -80X + -40x + 40x + 4xX

Combine like terms: -40x + 40x = 0
41x = 800 + -80X + 0 + 4xX
41x = 800 + -80X + 4xX

Add '-4xX' to each side of the equation.
41x + -4xX = 800 + -80X + 4xX + -4xX

Combine like terms: 4xX + -4xX = 0
41x + -4xX = 800 + -80X + 0
41x + -4xX = 800 + -80X

Reorder the terms:
-800 + 80X + 41x + -4xX = 800 + -80X + -800 + 80X

Reorder the terms:
-800 + 80X + 41x + -4xX = 800 + -800 + -80X + 80X

Combine like terms: 800 + -800 = 0
-800 + 80X + 41x + -4xX = 0 + -80X + 80X
-800 + 80X + 41x + -4xX = -80X + 80X

Combine like terms: -80X + 80X = 0
-800 + 80X + 41x + -4xX = 0

The solution to this equation could not be determined.

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