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

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


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

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

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

Multiply (6 + 2a) * (-5 + a)
a(6(-5 + a) + 2a * (-5 + a)) = 0
a((-5 * 6 + a * 6) + 2a * (-5 + a)) = 0
a((-30 + 6a) + 2a * (-5 + a)) = 0
a(-30 + 6a + (-5 * 2a + a * 2a)) = 0
a(-30 + 6a + (-10a + 2a2)) = 0

Combine like terms: 6a + -10a = -4a
a(-30 + -4a + 2a2) = 0
(-30 * a + -4a * a + 2a2 * a) = 0
(-30a + -4a2 + 2a3) = 0

Solving
-30a + -4a2 + 2a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2a'.
2a(-15 + -2a + a2) = 0

Factor a trinomial.
2a((-3 + -1a)(5 + -1a)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

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

Subproblem 3

Set the factor '(5 + -1a)' equal to zero and attempt to solve: Simplifying 5 + -1a = 0 Solving 5 + -1a = 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 + -1a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1a = 0 + -5 -1a = 0 + -5 Combine like terms: 0 + -5 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5

Solution

a = {0, -3, 5}

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