6a^3-14a^2+4a=2a

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Solution for 6a^3-14a^2+4a=2a equation:


Simplifying
6a3 + -14a2 + 4a = 2a

Reorder the terms:
4a + -14a2 + 6a3 = 2a

Solving
4a + -14a2 + 6a3 = 2a

Solving for variable 'a'.

Reorder the terms:
4a + -2a + -14a2 + 6a3 = 2a + -2a

Combine like terms: 4a + -2a = 2a
2a + -14a2 + 6a3 = 2a + -2a

Combine like terms: 2a + -2a = 0
2a + -14a2 + 6a3 = 0

Factor out the Greatest Common Factor (GCF), '2a'.
2a(1 + -7a + 3a2) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -7a + 3a2)' equal to zero and attempt to solve: Simplifying 1 + -7a + 3a2 = 0 Solving 1 + -7a + 3a2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + -2.333333333a + a2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + -2.333333333a + -0.3333333333 + a2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + -2.333333333a + a2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + -2.333333333a + a2 = 0 + -0.3333333333 -2.333333333a + a2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 -2.333333333a + a2 = -0.3333333333 The a term is -2.333333333a. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333a + 1.361111112 + a2 = -0.3333333333 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333a + a2 = -0.3333333333 + 1.361111112 Combine like terms: -0.3333333333 + 1.361111112 = 1.0277777787 1.361111112 + -2.333333333a + a2 = 1.0277777787 Factor a perfect square on the left side: (a + -1.166666667)(a + -1.166666667) = 1.0277777787 Calculate the square root of the right side: 1.013793756 Break this problem into two subproblems by setting (a + -1.166666667) equal to 1.013793756 and -1.013793756.

Subproblem 1

a + -1.166666667 = 1.013793756 Simplifying a + -1.166666667 = 1.013793756 Reorder the terms: -1.166666667 + a = 1.013793756 Solving -1.166666667 + a = 1.013793756 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + a = 1.013793756 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + a = 1.013793756 + 1.166666667 a = 1.013793756 + 1.166666667 Combine like terms: 1.013793756 + 1.166666667 = 2.180460423 a = 2.180460423 Simplifying a = 2.180460423

Subproblem 2

a + -1.166666667 = -1.013793756 Simplifying a + -1.166666667 = -1.013793756 Reorder the terms: -1.166666667 + a = -1.013793756 Solving -1.166666667 + a = -1.013793756 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + a = -1.013793756 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + a = -1.013793756 + 1.166666667 a = -1.013793756 + 1.166666667 Combine like terms: -1.013793756 + 1.166666667 = 0.152872911 a = 0.152872911 Simplifying a = 0.152872911

Solution

The solution to the problem is based on the solutions from the subproblems. a = {2.180460423, 0.152872911}

Solution

a = {0, 2.180460423, 0.152872911}

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