(2x-5)(x+40)(4x)=180

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Solution for (2x-5)(x+40)(4x)=180 equation:


Simplifying
(2x + -5)(x + 40)(4x) = 180

Reorder the terms:
(-5 + 2x)(x + 40)(4x) = 180

Reorder the terms:
(-5 + 2x)(40 + x)(4x) = 180

Remove parenthesis around (4x)
(-5 + 2x)(40 + x) * 4x = 180

Reorder the terms for easier multiplication:
4x(-5 + 2x)(40 + x) = 180

Multiply (-5 + 2x) * (40 + x)
4x(-5(40 + x) + 2x * (40 + x)) = 180
4x((40 * -5 + x * -5) + 2x * (40 + x)) = 180
4x((-200 + -5x) + 2x * (40 + x)) = 180
4x(-200 + -5x + (40 * 2x + x * 2x)) = 180
4x(-200 + -5x + (80x + 2x2)) = 180

Combine like terms: -5x + 80x = 75x
4x(-200 + 75x + 2x2) = 180
(-200 * 4x + 75x * 4x + 2x2 * 4x) = 180
(-800x + 300x2 + 8x3) = 180

Solving
-800x + 300x2 + 8x3 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + -800x + 300x2 + 8x3 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -800x + 300x2 + 8x3 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-45 + -200x + 75x2 + 2x3) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-45 + -200x + 75x2 + 2x3)' equal to zero and attempt to solve: Simplifying -45 + -200x + 75x2 + 2x3 = 0 Solving -45 + -200x + 75x2 + 2x3 = 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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