x(4x)(2x-8)=40

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Solution for x(4x)(2x-8)=40 equation: 


Simplifying
x(4x)(2x + -8) = 40

Remove parenthesis around (4x)
x * 4x(2x + -8) = 40

Reorder the terms:
x * 4x(-8 + 2x) = 40

Reorder the terms for easier multiplication:
4x * x(-8 + 2x) = 40

Multiply x * x
4x2(-8 + 2x) = 40
(-8 * 4x2 + 2x * 4x2) = 40
(-32x2 + 8x3) = 40

Solving
-32x2 + 8x3 = 40

Solving for variable 'x'.

Reorder the terms:
-40 + -32x2 + 8x3 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + -32x2 + 8x3 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-5 + -4x2 + x3) = 0

Ignore the factor 8.

Subproblem 1
Set the factor '(-5 + -4x2 + x3)' equal to zero and attempt to solve:

Simplifying
-5 + -4x2 + x3 = 0

Solving
-5 + -4x2 + 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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