(a+8)(a-2)=0

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Solution for (a+8)(a-2)=0 equation:


Simplifying
(a + 8)(a + -2) = 0

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

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

Multiply (8 + a) * (-2 + a)
(8(-2 + a) + a(-2 + a)) = 0
((-2 * 8 + a * 8) + a(-2 + a)) = 0
((-16 + 8a) + a(-2 + a)) = 0
(-16 + 8a + (-2 * a + a * a)) = 0
(-16 + 8a + (-2a + a2)) = 0

Combine like terms: 8a + -2a = 6a
(-16 + 6a + a2) = 0

Solving
-16 + 6a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-8 + -1a)(2 + -1a) = 0

Subproblem 1

Set the factor '(-8 + -1a)' equal to zero and attempt to solve: Simplifying -8 + -1a = 0 Solving -8 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1a = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1a = 0 + 8 -1a = 0 + 8 Combine like terms: 0 + 8 = 8 -1a = 8 Divide each side by '-1'. a = -8 Simplifying a = -8

Subproblem 2

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

Solution

a = {-8, 2}

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