(22-2x)(18-2x)x=400

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Solution for (22-2x)(18-2x)x=400 equation:


Simplifying
(22 + -2x)(18 + -2x) * x = 400

Reorder the terms for easier multiplication:
x(22 + -2x)(18 + -2x) = 400

Multiply (22 + -2x) * (18 + -2x)
x(22(18 + -2x) + -2x * (18 + -2x)) = 400
x((18 * 22 + -2x * 22) + -2x * (18 + -2x)) = 400
x((396 + -44x) + -2x * (18 + -2x)) = 400
x(396 + -44x + (18 * -2x + -2x * -2x)) = 400
x(396 + -44x + (-36x + 4x2)) = 400

Combine like terms: -44x + -36x = -80x
x(396 + -80x + 4x2) = 400
(396 * x + -80x * x + 4x2 * x) = 400
(396x + -80x2 + 4x3) = 400

Solving
396x + -80x2 + 4x3 = 400

Solving for variable 'x'.

Reorder the terms:
-400 + 396x + -80x2 + 4x3 = 400 + -400

Combine like terms: 400 + -400 = 0
-400 + 396x + -80x2 + 4x3 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-100 + 99x + -20x2 + x3) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-100 + 99x + -20x2 + x3)' equal to zero and attempt to solve: Simplifying -100 + 99x + -20x2 + x3 = 0 Solving -100 + 99x + -20x2 + x3 = 0 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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