k^2+2k=-8k-24

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Solution for k^2+2k=-8k-24 equation:


Simplifying
k2 + 2k = -8k + -24

Reorder the terms:
2k + k2 = -8k + -24

Reorder the terms:
2k + k2 = -24 + -8k

Solving
2k + k2 = -24 + -8k

Solving for variable 'k'.

Reorder the terms:
24 + 2k + 8k + k2 = -24 + -8k + 24 + 8k

Combine like terms: 2k + 8k = 10k
24 + 10k + k2 = -24 + -8k + 24 + 8k

Reorder the terms:
24 + 10k + k2 = -24 + 24 + -8k + 8k

Combine like terms: -24 + 24 = 0
24 + 10k + k2 = 0 + -8k + 8k
24 + 10k + k2 = -8k + 8k

Combine like terms: -8k + 8k = 0
24 + 10k + k2 = 0

Factor a trinomial.
(6 + k)(4 + k) = 0

Subproblem 1

Set the factor '(6 + k)' equal to zero and attempt to solve: Simplifying 6 + k = 0 Solving 6 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + k = 0 + -6 Combine like terms: 6 + -6 = 0 0 + k = 0 + -6 k = 0 + -6 Combine like terms: 0 + -6 = -6 k = -6 Simplifying k = -6

Subproblem 2

Set the factor '(4 + k)' equal to zero and attempt to solve: Simplifying 4 + k = 0 Solving 4 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + k = 0 + -4 k = 0 + -4 Combine like terms: 0 + -4 = -4 k = -4 Simplifying k = -4

Solution

k = {-6, -4}

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