3a^3=14a^2-8a

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Solution for 3a^3=14a^2-8a equation:


Simplifying
3a3 = 14a2 + -8a

Reorder the terms:
3a3 = -8a + 14a2

Solving
3a3 = -8a + 14a2

Solving for variable 'a'.

Reorder the terms:
8a + -14a2 + 3a3 = -8a + 14a2 + 8a + -14a2

Reorder the terms:
8a + -14a2 + 3a3 = -8a + 8a + 14a2 + -14a2

Combine like terms: -8a + 8a = 0
8a + -14a2 + 3a3 = 0 + 14a2 + -14a2
8a + -14a2 + 3a3 = 14a2 + -14a2

Combine like terms: 14a2 + -14a2 = 0
8a + -14a2 + 3a3 = 0

Factor out the Greatest Common Factor (GCF), 'a'.
a(8 + -14a + 3a2) = 0

Factor a trinomial.
a((2 + -3a)(4 + -1a)) = 0

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 '(2 + -3a)' equal to zero and attempt to solve: Simplifying 2 + -3a = 0 Solving 2 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3a = 0 + -2 -3a = 0 + -2 Combine like terms: 0 + -2 = -2 -3a = -2 Divide each side by '-3'. a = 0.6666666667 Simplifying a = 0.6666666667

Subproblem 3

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {0, 0.6666666667, 4}

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