(30-2x)*(14-2x)*x=280

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Solution for (30-2x)*(14-2x)*x=280 equation: 


Simplifying
(30 + -2x)(14 + -2x) * x = 280

Reorder the terms for easier multiplication:
x(30 + -2x)(14 + -2x) = 280

Multiply (30 + -2x) * (14 + -2x)
x(30(14 + -2x) + -2x * (14 + -2x)) = 280
x((14 * 30 + -2x * 30) + -2x * (14 + -2x)) = 280
x((420 + -60x) + -2x * (14 + -2x)) = 280
x(420 + -60x + (14 * -2x + -2x * -2x)) = 280
x(420 + -60x + (-28x + 4x2)) = 280

Combine like terms: -60x + -28x = -88x
x(420 + -88x + 4x2) = 280
(420 * x + -88x * x + 4x2 * x) = 280
(420x + -88x2 + 4x3) = 280

Solving
420x + -88x2 + 4x3 = 280

Solving for variable 'x'.

Reorder the terms:
-280 + 420x + -88x2 + 4x3 = 280 + -280

Combine like terms: 280 + -280 = 0
-280 + 420x + -88x2 + 4x3 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-70 + 105x + -22x2 + x3) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(-70 + 105x + -22x2 + x3)' equal to zero and attempt to solve:

Simplifying
-70 + 105x + -22x2 + x3 = 0

Solving
-70 + 105x + -22x2 + 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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