(a+8)(a+3)=36

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Solution for (a+8)(a+3)=36 equation:


Simplifying
(a + 8)(a + 3) = 36

Reorder the terms:
(8 + a)(a + 3) = 36

Reorder the terms:
(8 + a)(3 + a) = 36

Multiply (8 + a) * (3 + a)
(8(3 + a) + a(3 + a)) = 36
((3 * 8 + a * 8) + a(3 + a)) = 36
((24 + 8a) + a(3 + a)) = 36
(24 + 8a + (3 * a + a * a)) = 36
(24 + 8a + (3a + a2)) = 36

Combine like terms: 8a + 3a = 11a
(24 + 11a + a2) = 36

Solving
24 + 11a + a2 = 36

Solving for variable 'a'.

Reorder the terms:
24 + -36 + 11a + a2 = 36 + -36

Combine like terms: 24 + -36 = -12
-12 + 11a + a2 = 36 + -36

Combine like terms: 36 + -36 = 0
-12 + 11a + a2 = 0

Factor a trinomial.
(-12 + -1a)(1 + -1a) = 0

Subproblem 1

Set the factor '(-12 + -1a)' equal to zero and attempt to solve: Simplifying -12 + -1a = 0 Solving -12 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1a = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1a = 0 + 12 -1a = 0 + 12 Combine like terms: 0 + 12 = 12 -1a = 12 Divide each side by '-1'. a = -12 Simplifying a = -12

Subproblem 2

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

Solution

a = {-12, 1}

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