(11a+5)(6a-18)=0

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Solution for (11a+5)(6a-18)=0 equation:


Simplifying
(11a + 5)(6a + -18) = 0

Reorder the terms:
(5 + 11a)(6a + -18) = 0

Reorder the terms:
(5 + 11a)(-18 + 6a) = 0

Multiply (5 + 11a) * (-18 + 6a)
(5(-18 + 6a) + 11a * (-18 + 6a)) = 0
((-18 * 5 + 6a * 5) + 11a * (-18 + 6a)) = 0
((-90 + 30a) + 11a * (-18 + 6a)) = 0
(-90 + 30a + (-18 * 11a + 6a * 11a)) = 0
(-90 + 30a + (-198a + 66a2)) = 0

Combine like terms: 30a + -198a = -168a
(-90 + -168a + 66a2) = 0

Solving
-90 + -168a + 66a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + -28a + 11a2) = 0

Factor a trinomial.
6((-5 + -11a)(3 + -1a)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-5 + -11a)' equal to zero and attempt to solve: Simplifying -5 + -11a = 0 Solving -5 + -11a = 0 Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -11a = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -11a = 0 + 5 -11a = 0 + 5 Combine like terms: 0 + 5 = 5 -11a = 5 Divide each side by '-11'. a = -0.4545454545 Simplifying a = -0.4545454545

Subproblem 2

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

Solution

a = {-0.4545454545, 3}

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