a^2=-36-13a

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Solution for a^2=-36-13a equation:


Simplifying
a2 = -36 + -13a

Solving
a2 = -36 + -13a

Solving for variable 'a'.

Reorder the terms:
36 + 13a + a2 = -36 + -13a + 36 + 13a

Reorder the terms:
36 + 13a + a2 = -36 + 36 + -13a + 13a

Combine like terms: -36 + 36 = 0
36 + 13a + a2 = 0 + -13a + 13a
36 + 13a + a2 = -13a + 13a

Combine like terms: -13a + 13a = 0
36 + 13a + a2 = 0

Factor a trinomial.
(9 + a)(4 + a) = 0

Subproblem 1

Set the factor '(9 + a)' equal to zero and attempt to solve: Simplifying 9 + a = 0 Solving 9 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + a = 0 + -9 a = 0 + -9 Combine like terms: 0 + -9 = -9 a = -9 Simplifying a = -9

Subproblem 2

Set the factor '(4 + a)' equal to zero and attempt to solve: Simplifying 4 + a = 0 Solving 4 + a = 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 + a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + a = 0 + -4 a = 0 + -4 Combine like terms: 0 + -4 = -4 a = -4 Simplifying a = -4

Solution

a = {-9, -4}

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