0=x^5+4x^4+4x^3

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Solution for 0=x^5+4x^4+4x^3 equation:


Simplifying
0 = x5 + 4x4 + 4x3

Reorder the terms:
0 = 4x3 + 4x4 + x5

Solving
0 = 4x3 + 4x4 + x5

Solving for variable 'x'.
Remove the zero:
-4x3 + -4x4 + -1x5 = 4x3 + 4x4 + x5 + -4x3 + -4x4 + -1x5

Reorder the terms:
-4x3 + -4x4 + -1x5 = 4x3 + -4x3 + 4x4 + -4x4 + x5 + -1x5

Combine like terms: 4x3 + -4x3 = 0
-4x3 + -4x4 + -1x5 = 0 + 4x4 + -4x4 + x5 + -1x5
-4x3 + -4x4 + -1x5 = 4x4 + -4x4 + x5 + -1x5

Combine like terms: 4x4 + -4x4 = 0
-4x3 + -4x4 + -1x5 = 0 + x5 + -1x5
-4x3 + -4x4 + -1x5 = x5 + -1x5

Combine like terms: x5 + -1x5 = 0
-4x3 + -4x4 + -1x5 = 0

Factor out the Greatest Common Factor (GCF), '-1x3'.
-1x3(4 + 4x + x2) = 0

Factor a trinomial.
-1x3((2 + x)(2 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x3' equal to zero and attempt to solve: Simplifying x3 = 0 Solving x3 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-2, -2}

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