(6k+5)(7k+4)=0

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Solution for (6k+5)(7k+4)=0 equation:


Simplifying
(6k + 5)(7k + 4) = 0

Reorder the terms:
(5 + 6k)(7k + 4) = 0

Reorder the terms:
(5 + 6k)(4 + 7k) = 0

Multiply (5 + 6k) * (4 + 7k)
(5(4 + 7k) + 6k * (4 + 7k)) = 0
((4 * 5 + 7k * 5) + 6k * (4 + 7k)) = 0
((20 + 35k) + 6k * (4 + 7k)) = 0
(20 + 35k + (4 * 6k + 7k * 6k)) = 0
(20 + 35k + (24k + 42k2)) = 0

Combine like terms: 35k + 24k = 59k
(20 + 59k + 42k2) = 0

Solving
20 + 59k + 42k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(5 + 6k)(4 + 7k) = 0

Subproblem 1

Set the factor '(5 + 6k)' equal to zero and attempt to solve: Simplifying 5 + 6k = 0 Solving 5 + 6k = 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 + 6k = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 6k = 0 + -5 6k = 0 + -5 Combine like terms: 0 + -5 = -5 6k = -5 Divide each side by '6'. k = -0.8333333333 Simplifying k = -0.8333333333

Subproblem 2

Set the factor '(4 + 7k)' equal to zero and attempt to solve: Simplifying 4 + 7k = 0 Solving 4 + 7k = 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 + 7k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 7k = 0 + -4 7k = 0 + -4 Combine like terms: 0 + -4 = -4 7k = -4 Divide each side by '7'. k = -0.5714285714 Simplifying k = -0.5714285714

Solution

k = {-0.8333333333, -0.5714285714}

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