3X^3+8X^2+5X=0

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Solution for 3X^3+8X^2+5X=0 equation:


Simplifying
3X3 + 8X2 + 5X = 0

Reorder the terms:
5X + 8X2 + 3X3 = 0

Solving
5X + 8X2 + 3X3 = 0

Solving for variable 'X'.

Factor out the Greatest Common Factor (GCF), 'X'.
X(5 + 8X + 3X2) = 0

Factor a trinomial.
X((5 + 3X)(1 + X)) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + 3X)' equal to zero and attempt to solve: Simplifying 5 + 3X = 0 Solving 5 + 3X = 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 + 3X = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3X = 0 + -5 3X = 0 + -5 Combine like terms: 0 + -5 = -5 3X = -5 Divide each side by '3'. X = -1.666666667 Simplifying X = -1.666666667

Subproblem 3

Set the factor '(1 + X)' equal to zero and attempt to solve: Simplifying 1 + X = 0 Solving 1 + X = 0 Move all terms containing X to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + X = 0 + -1 Combine like terms: 1 + -1 = 0 0 + X = 0 + -1 X = 0 + -1 Combine like terms: 0 + -1 = -1 X = -1 Simplifying X = -1

Solution

X = {0, -1.666666667, -1}

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