9a^2+6a=-1

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Solution for 9a^2+6a=-1 equation:


Simplifying
9a2 + 6a = -1

Reorder the terms:
6a + 9a2 = -1

Solving
6a + 9a2 = -1

Solving for variable 'a'.

Reorder the terms:
1 + 6a + 9a2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + 6a + 9a2 = 0

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

Subproblem 1

Set the factor '(1 + 3a)' equal to zero and attempt to solve: Simplifying 1 + 3a = 0 Solving 1 + 3a = 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 + 3a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3a = 0 + -1 3a = 0 + -1 Combine like terms: 0 + -1 = -1 3a = -1 Divide each side by '3'. a = -0.3333333333 Simplifying a = -0.3333333333

Subproblem 2

Set the factor '(1 + 3a)' equal to zero and attempt to solve: Simplifying 1 + 3a = 0 Solving 1 + 3a = 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 + 3a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3a = 0 + -1 3a = 0 + -1 Combine like terms: 0 + -1 = -1 3a = -1 Divide each side by '3'. a = -0.3333333333 Simplifying a = -0.3333333333

Solution

a = {-0.3333333333, -0.3333333333}

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