5a^2+12a=-4a^2-4

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Solution for 5a^2+12a=-4a^2-4 equation:


Simplifying
5a2 + 12a = -4a2 + -4

Reorder the terms:
12a + 5a2 = -4a2 + -4

Reorder the terms:
12a + 5a2 = -4 + -4a2

Solving
12a + 5a2 = -4 + -4a2

Solving for variable 'a'.

Reorder the terms:
4 + 12a + 5a2 + 4a2 = -4 + -4a2 + 4 + 4a2

Combine like terms: 5a2 + 4a2 = 9a2
4 + 12a + 9a2 = -4 + -4a2 + 4 + 4a2

Reorder the terms:
4 + 12a + 9a2 = -4 + 4 + -4a2 + 4a2

Combine like terms: -4 + 4 = 0
4 + 12a + 9a2 = 0 + -4a2 + 4a2
4 + 12a + 9a2 = -4a2 + 4a2

Combine like terms: -4a2 + 4a2 = 0
4 + 12a + 9a2 = 0

Factor a trinomial.
(2 + 3a)(2 + 3a) = 0

Subproblem 1

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 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

Solution

a = {-0.6666666667, -0.6666666667}

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