11k^2+66k=440

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Solution for 11k^2+66k=440 equation:


Simplifying
11k2 + 66k = 440

Reorder the terms:
66k + 11k2 = 440

Solving
66k + 11k2 = 440

Solving for variable 'k'.

Reorder the terms:
-440 + 66k + 11k2 = 440 + -440

Combine like terms: 440 + -440 = 0
-440 + 66k + 11k2 = 0

Factor out the Greatest Common Factor (GCF), '11'.
11(-40 + 6k + k2) = 0

Factor a trinomial.
11((-10 + -1k)(4 + -1k)) = 0

Ignore the factor 11.

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 '(4 + -1k)' equal to zero and attempt to solve: Simplifying 4 + -1k = 0 Solving 4 + -1k = 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 + -1k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1k = 0 + -4 -1k = 0 + -4 Combine like terms: 0 + -4 = -4 -1k = -4 Divide each side by '-1'. k = 4 Simplifying k = 4

Solution

k = {-10, 4}

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