(6a-5)(a+2)=0

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Solution for (6a-5)(a+2)=0 equation:


Simplifying
(6a + -5)(a + 2) = 0

Reorder the terms:
(-5 + 6a)(a + 2) = 0

Reorder the terms:
(-5 + 6a)(2 + a) = 0

Multiply (-5 + 6a) * (2 + a)
(-5(2 + a) + 6a * (2 + a)) = 0
((2 * -5 + a * -5) + 6a * (2 + a)) = 0
((-10 + -5a) + 6a * (2 + a)) = 0
(-10 + -5a + (2 * 6a + a * 6a)) = 0
(-10 + -5a + (12a + 6a2)) = 0

Combine like terms: -5a + 12a = 7a
(-10 + 7a + 6a2) = 0

Solving
-10 + 7a + 6a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-2 + -1a)(5 + -6a) = 0

Subproblem 1

Set the factor '(-2 + -1a)' equal to zero and attempt to solve: Simplifying -2 + -1a = 0 Solving -2 + -1a = 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 + -1a = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1a = 0 + 2 -1a = 0 + 2 Combine like terms: 0 + 2 = 2 -1a = 2 Divide each side by '-1'. a = -2 Simplifying a = -2

Subproblem 2

Set the factor '(5 + -6a)' equal to zero and attempt to solve: Simplifying 5 + -6a = 0 Solving 5 + -6a = 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 + -6a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -6a = 0 + -5 -6a = 0 + -5 Combine like terms: 0 + -5 = -5 -6a = -5 Divide each side by '-6'. a = 0.8333333333 Simplifying a = 0.8333333333

Solution

a = {-2, 0.8333333333}

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