3x^3+11x^2-6x=0

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Solution for 3x^3+11x^2-6x=0 equation:


Simplifying
3x3 + 11x2 + -6x = 0

Reorder the terms:
-6x + 11x2 + 3x3 = 0

Solving
-6x + 11x2 + 3x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-6 + 11x + 3x2) = 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 '(-6 + 11x + 3x2)' equal to zero and attempt to solve: Simplifying -6 + 11x + 3x2 = 0 Solving -6 + 11x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -2 + 3.666666667x + x2 = 0 Move the constant term to the right: Add '2' to each side of the equation. -2 + 3.666666667x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + 3.666666667x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 3.666666667x + x2 = 0 + 2 3.666666667x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 3.666666667x + x2 = 2 The x term is 3.666666667x. Take half its coefficient (1.833333334). Square it (3.361111114) and add it to both sides. Add '3.361111114' to each side of the equation. 3.666666667x + 3.361111114 + x2 = 2 + 3.361111114 Reorder the terms: 3.361111114 + 3.666666667x + x2 = 2 + 3.361111114 Combine like terms: 2 + 3.361111114 = 5.361111114 3.361111114 + 3.666666667x + x2 = 5.361111114 Factor a perfect square on the left side: (x + 1.833333334)(x + 1.833333334) = 5.361111114 Calculate the square root of the right side: 2.315407332 Break this problem into two subproblems by setting (x + 1.833333334) equal to 2.315407332 and -2.315407332.

Subproblem 1

x + 1.833333334 = 2.315407332 Simplifying x + 1.833333334 = 2.315407332 Reorder the terms: 1.833333334 + x = 2.315407332 Solving 1.833333334 + x = 2.315407332 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.833333334' to each side of the equation. 1.833333334 + -1.833333334 + x = 2.315407332 + -1.833333334 Combine like terms: 1.833333334 + -1.833333334 = 0.000000000 0.000000000 + x = 2.315407332 + -1.833333334 x = 2.315407332 + -1.833333334 Combine like terms: 2.315407332 + -1.833333334 = 0.482073998 x = 0.482073998 Simplifying x = 0.482073998

Subproblem 2

x + 1.833333334 = -2.315407332 Simplifying x + 1.833333334 = -2.315407332 Reorder the terms: 1.833333334 + x = -2.315407332 Solving 1.833333334 + x = -2.315407332 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.833333334' to each side of the equation. 1.833333334 + -1.833333334 + x = -2.315407332 + -1.833333334 Combine like terms: 1.833333334 + -1.833333334 = 0.000000000 0.000000000 + x = -2.315407332 + -1.833333334 x = -2.315407332 + -1.833333334 Combine like terms: -2.315407332 + -1.833333334 = -4.148740666 x = -4.148740666 Simplifying x = -4.148740666

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.482073998, -4.148740666}

Solution

x = {0, 0.482073998, -4.148740666}

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