(2x+4)(x^3-4x^2+x-5)=

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Solution for (2x+4)(x^3-4x^2+x-5)= equation:


Simplifying
(2x + 4)(x3 + -4x2 + x + -5) = 0

Reorder the terms:
(4 + 2x)(x3 + -4x2 + x + -5) = 0

Reorder the terms:
(4 + 2x)(-5 + x + -4x2 + x3) = 0

Multiply (4 + 2x) * (-5 + x + -4x2 + x3)
(4(-5 + x + -4x2 + x3) + 2x * (-5 + x + -4x2 + x3)) = 0
((-5 * 4 + x * 4 + -4x2 * 4 + x3 * 4) + 2x * (-5 + x + -4x2 + x3)) = 0
((-20 + 4x + -16x2 + 4x3) + 2x * (-5 + x + -4x2 + x3)) = 0
(-20 + 4x + -16x2 + 4x3 + (-5 * 2x + x * 2x + -4x2 * 2x + x3 * 2x)) = 0
(-20 + 4x + -16x2 + 4x3 + (-10x + 2x2 + -8x3 + 2x4)) = 0

Reorder the terms:
(-20 + 4x + -10x + -16x2 + 2x2 + 4x3 + -8x3 + 2x4) = 0

Combine like terms: 4x + -10x = -6x
(-20 + -6x + -16x2 + 2x2 + 4x3 + -8x3 + 2x4) = 0

Combine like terms: -16x2 + 2x2 = -14x2
(-20 + -6x + -14x2 + 4x3 + -8x3 + 2x4) = 0

Combine like terms: 4x3 + -8x3 = -4x3
(-20 + -6x + -14x2 + -4x3 + 2x4) = 0

Solving
-20 + -6x + -14x2 + -4x3 + 2x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + -3x + -7x2 + -2x3 + x4) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-10 + -3x + -7x2 + -2x3 + x4)' equal to zero and attempt to solve: Simplifying -10 + -3x + -7x2 + -2x3 + x4 = 0 Solving -10 + -3x + -7x2 + -2x3 + x4 = 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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