(x+11)(3x)(x)=720

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Solution for (x+11)(3x)(x)=720 equation: 


Simplifying
(x + 11)(3x)(x) = 720

Reorder the terms:
(11 + x)(3x)(x) = 720

Remove parenthesis around (3x)
(11 + x) * 3x(x) = 720

Reorder the terms for easier multiplication:
3x * x(11 + x) = 720

Multiply x * x
3x2(11 + x) = 720
(11 * 3x2 + x * 3x2) = 720
(33x2 + 3x3) = 720

Solving
33x2 + 3x3 = 720

Solving for variable 'x'.

Reorder the terms:
-720 + 33x2 + 3x3 = 720 + -720

Combine like terms: 720 + -720 = 0
-720 + 33x2 + 3x3 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-240 + 11x2 + x3) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(-240 + 11x2 + x3)' equal to zero and attempt to solve:

Simplifying
-240 + 11x2 + x3 = 0

Solving
-240 + 11x2 + 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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