3(x^3+4x^4)=-2(3x^4-5x^4)

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Solution for 3(x^3+4x^4)=-2(3x^4-5x^4) equation:


Simplifying
3(x3 + 4x4) = -2(3x4 + -5x4)
(x3 * 3 + 4x4 * 3) = -2(3x4 + -5x4)
(3x3 + 12x4) = -2(3x4 + -5x4)

Combine like terms: 3x4 + -5x4 = -2x4
3x3 + 12x4 = -2(-2x4)

Remove parenthesis around (-2x4)
3x3 + 12x4 = -2 * -2x4

Multiply -2 * -2
3x3 + 12x4 = 4x4

Solving
3x3 + 12x4 = 4x4

Solving for variable 'x'.

Combine like terms: 12x4 + -4x4 = 8x4
3x3 + 8x4 = 4x4 + -4x4

Combine like terms: 4x4 + -4x4 = 0
3x3 + 8x4 = 0

Factor out the Greatest Common Factor (GCF), 'x3'.
x3(3 + 8x) = 0

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 '(3 + 8x)' equal to zero and attempt to solve: Simplifying 3 + 8x = 0 Solving 3 + 8x = 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 + 8x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8x = 0 + -3 8x = 0 + -3 Combine like terms: 0 + -3 = -3 8x = -3 Divide each side by '8'. x = -0.375 Simplifying x = -0.375

Solution

x = {-0.375}

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