6x^3+40x^2=-50x

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Solution for 6x^3+40x^2=-50x equation:


Simplifying
6x3 + 40x2 = -50x

Reorder the terms:
40x2 + 6x3 = -50x

Solving
40x2 + 6x3 = -50x

Solving for variable 'x'.

Reorder the terms:
50x + 40x2 + 6x3 = -50x + 50x

Combine like terms: -50x + 50x = 0
50x + 40x2 + 6x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(25 + 20x + 3x2) = 0

Factor a trinomial.
2x((5 + x)(5 + 3x)) = 0

Ignore the factor 2.

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 + 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 '(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

Solution

x = {0, -5, -1.666666667}

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