a^2+7a-68=-8

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Solution for a^2+7a-68=-8 equation:


Simplifying
a2 + 7a + -68 = -8

Reorder the terms:
-68 + 7a + a2 = -8

Solving
-68 + 7a + a2 = -8

Solving for variable 'a'.

Reorder the terms:
-68 + 8 + 7a + a2 = -8 + 8

Combine like terms: -68 + 8 = -60
-60 + 7a + a2 = -8 + 8

Combine like terms: -8 + 8 = 0
-60 + 7a + a2 = 0

Factor a trinomial.
(-12 + -1a)(5 + -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 '(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 = {-12, 5}

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