-36a^2-210a-216=0

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Solution for -36a^2-210a-216=0 equation:


Simplifying
-36a2 + -210a + -216 = 0

Reorder the terms:
-216 + -210a + -36a2 = 0

Solving
-216 + -210a + -36a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '-6'.
-6(36 + 35a + 6a2) = 0

Factor a trinomial.
-6((9 + 2a)(4 + 3a)) = 0

Ignore the factor -6.

Subproblem 1

Set the factor '(9 + 2a)' equal to zero and attempt to solve: Simplifying 9 + 2a = 0 Solving 9 + 2a = 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 + 2a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2a = 0 + -9 2a = 0 + -9 Combine like terms: 0 + -9 = -9 2a = -9 Divide each side by '2'. a = -4.5 Simplifying a = -4.5

Subproblem 2

Set the factor '(4 + 3a)' equal to zero and attempt to solve: Simplifying 4 + 3a = 0 Solving 4 + 3a = 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 + 3a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3a = 0 + -4 3a = 0 + -4 Combine like terms: 0 + -4 = -4 3a = -4 Divide each side by '3'. a = -1.333333333 Simplifying a = -1.333333333

Solution

a = {-4.5, -1.333333333}

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