k^2-20k-300=0

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Solution for k^2-20k-300=0 equation:


Simplifying
k2 + -20k + -300 = 0

Reorder the terms:
-300 + -20k + k2 = 0

Solving
-300 + -20k + k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-10 + -1k)(30 + -1k) = 0

Subproblem 1

Set the factor '(-10 + -1k)' equal to zero and attempt to solve: Simplifying -10 + -1k = 0 Solving -10 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1k = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1k = 0 + 10 -1k = 0 + 10 Combine like terms: 0 + 10 = 10 -1k = 10 Divide each side by '-1'. k = -10 Simplifying k = -10

Subproblem 2

Set the factor '(30 + -1k)' equal to zero and attempt to solve: Simplifying 30 + -1k = 0 Solving 30 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -1k = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -1k = 0 + -30 -1k = 0 + -30 Combine like terms: 0 + -30 = -30 -1k = -30 Divide each side by '-1'. k = 30 Simplifying k = 30

Solution

k = {-10, 30}

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