-5x^5-40x^4-75x^3=0

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Solution for -5x^5-40x^4-75x^3=0 equation:


Simplifying
-5x5 + -40x4 + -75x3 = 0

Reorder the terms:
-75x3 + -40x4 + -5x5 = 0

Solving
-75x3 + -40x4 + -5x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-5x3'.
-5x3(15 + 8x + x2) = 0

Factor a trinomial.
-5x3((5 + x)(3 + x)) = 0

Ignore the factor -5.

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 3

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-5, -3}

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