(4k+3)(k+5)=0

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Solution for (4k+3)(k+5)=0 equation:


Simplifying
(4k + 3)(k + 5) = 0

Reorder the terms:
(3 + 4k)(k + 5) = 0

Reorder the terms:
(3 + 4k)(5 + k) = 0

Multiply (3 + 4k) * (5 + k)
(3(5 + k) + 4k * (5 + k)) = 0
((5 * 3 + k * 3) + 4k * (5 + k)) = 0
((15 + 3k) + 4k * (5 + k)) = 0
(15 + 3k + (5 * 4k + k * 4k)) = 0
(15 + 3k + (20k + 4k2)) = 0

Combine like terms: 3k + 20k = 23k
(15 + 23k + 4k2) = 0

Solving
15 + 23k + 4k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(5 + k)(3 + 4k) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(3 + 4k)' equal to zero and attempt to solve: Simplifying 3 + 4k = 0 Solving 3 + 4k = 0 Move all terms containing k to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 4k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4k = 0 + -3 4k = 0 + -3 Combine like terms: 0 + -3 = -3 4k = -3 Divide each side by '4'. k = -0.75 Simplifying k = -0.75

Solution

k = {-5, -0.75}

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