(x+5)(-4x-2)(2x-1)=

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Solution for (x+5)(-4x-2)(2x-1)= equation: 


Simplifying
(x + 5)(-4x + -2)(2x + -1) = 0

Reorder the terms:
(5 + x)(-4x + -2)(2x + -1) = 0

Reorder the terms:
(5 + x)(-2 + -4x)(2x + -1) = 0

Reorder the terms:
(5 + x)(-2 + -4x)(-1 + 2x) = 0

Multiply (5 + x) * (-2 + -4x)
(5(-2 + -4x) + x(-2 + -4x))(-1 + 2x) = 0
((-2 * 5 + -4x * 5) + x(-2 + -4x))(-1 + 2x) = 0
((-10 + -20x) + x(-2 + -4x))(-1 + 2x) = 0
(-10 + -20x + (-2 * x + -4x * x))(-1 + 2x) = 0
(-10 + -20x + (-2x + -4x2))(-1 + 2x) = 0

Combine like terms: -20x + -2x = -22x
(-10 + -22x + -4x2)(-1 + 2x) = 0

Multiply (-10 + -22x + -4x2) * (-1 + 2x)
(-10(-1 + 2x) + -22x * (-1 + 2x) + -4x2 * (-1 + 2x)) = 0
((-1 * -10 + 2x * -10) + -22x * (-1 + 2x) + -4x2 * (-1 + 2x)) = 0
((10 + -20x) + -22x * (-1 + 2x) + -4x2 * (-1 + 2x)) = 0
(10 + -20x + (-1 * -22x + 2x * -22x) + -4x2 * (-1 + 2x)) = 0
(10 + -20x + (22x + -44x2) + -4x2 * (-1 + 2x)) = 0
(10 + -20x + 22x + -44x2 + (-1 * -4x2 + 2x * -4x2)) = 0
(10 + -20x + 22x + -44x2 + (4x2 + -8x3)) = 0

Combine like terms: -20x + 22x = 2x
(10 + 2x + -44x2 + 4x2 + -8x3) = 0

Combine like terms: -44x2 + 4x2 = -40x2
(10 + 2x + -40x2 + -8x3) = 0

Solving
10 + 2x + -40x2 + -8x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + x + -20x2 + -4x3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(5 + x + -20x2 + -4x3)' equal to zero and attempt to solve:

Simplifying
5 + x + -20x2 + -4x3 = 0

Solving
5 + x + -20x2 + -4x3 = 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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