5k^2+43k=-56

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Solution for 5k^2+43k=-56 equation:


Simplifying
5k2 + 43k = -56

Reorder the terms:
43k + 5k2 = -56

Solving
43k + 5k2 = -56

Solving for variable 'k'.

Reorder the terms:
56 + 43k + 5k2 = -56 + 56

Combine like terms: -56 + 56 = 0
56 + 43k + 5k2 = 0

Factor a trinomial.
(7 + k)(8 + 5k) = 0

Subproblem 1

Set the factor '(7 + k)' equal to zero and attempt to solve: Simplifying 7 + k = 0 Solving 7 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + k = 0 + -7 k = 0 + -7 Combine like terms: 0 + -7 = -7 k = -7 Simplifying k = -7

Subproblem 2

Set the factor '(8 + 5k)' equal to zero and attempt to solve: Simplifying 8 + 5k = 0 Solving 8 + 5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5k = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5k = 0 + -8 5k = 0 + -8 Combine like terms: 0 + -8 = -8 5k = -8 Divide each side by '5'. k = -1.6 Simplifying k = -1.6

Solution

k = {-7, -1.6}

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