-6a^3+18a-9a^2=3a^3+9a^2-9a

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Solution for -6a^3+18a-9a^2=3a^3+9a^2-9a equation:


Simplifying
-6a3 + 18a + -9a2 = 3a3 + 9a2 + -9a

Reorder the terms:
18a + -9a2 + -6a3 = 3a3 + 9a2 + -9a

Reorder the terms:
18a + -9a2 + -6a3 = -9a + 9a2 + 3a3

Solving
18a + -9a2 + -6a3 = -9a + 9a2 + 3a3

Solving for variable 'a'.

Reorder the terms:
18a + 9a + -9a2 + -9a2 + -6a3 + -3a3 = -9a + 9a2 + 3a3 + 9a + -9a2 + -3a3

Combine like terms: 18a + 9a = 27a
27a + -9a2 + -9a2 + -6a3 + -3a3 = -9a + 9a2 + 3a3 + 9a + -9a2 + -3a3

Combine like terms: -9a2 + -9a2 = -18a2
27a + -18a2 + -6a3 + -3a3 = -9a + 9a2 + 3a3 + 9a + -9a2 + -3a3

Combine like terms: -6a3 + -3a3 = -9a3
27a + -18a2 + -9a3 = -9a + 9a2 + 3a3 + 9a + -9a2 + -3a3

Reorder the terms:
27a + -18a2 + -9a3 = -9a + 9a + 9a2 + -9a2 + 3a3 + -3a3

Combine like terms: -9a + 9a = 0
27a + -18a2 + -9a3 = 0 + 9a2 + -9a2 + 3a3 + -3a3
27a + -18a2 + -9a3 = 9a2 + -9a2 + 3a3 + -3a3

Combine like terms: 9a2 + -9a2 = 0
27a + -18a2 + -9a3 = 0 + 3a3 + -3a3
27a + -18a2 + -9a3 = 3a3 + -3a3

Combine like terms: 3a3 + -3a3 = 0
27a + -18a2 + -9a3 = 0

Factor out the Greatest Common Factor (GCF), '9a'.
9a(3 + -2a + -1a2) = 0

Factor a trinomial.
9a((1 + -1a)(3 + a)) = 0

Ignore the factor 9.

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

Subproblem 3

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

Solution

a = {0, 1, -3}

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