5x^8+40x^7+75x^6=0

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Solution for 5x^8+40x^7+75x^6=0 equation:


Simplifying
5x8 + 40x7 + 75x6 = 0

Reorder the terms:
75x6 + 40x7 + 5x8 = 0

Solving
75x6 + 40x7 + 5x8 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x6'.
5x6(15 + 8x + x2) = 0

Factor a trinomial.
5x6((5 + x)(3 + x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'x6' equal to zero and attempt to solve: Simplifying x6 = 0 Solving x6 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x6 = 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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