k^2=4(4k-15)

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Solution for k^2=4(4k-15) equation:


Simplifying
k2 = 4(4k + -15)

Reorder the terms:
k2 = 4(-15 + 4k)
k2 = (-15 * 4 + 4k * 4)
k2 = (-60 + 16k)

Solving
k2 = -60 + 16k

Solving for variable 'k'.

Reorder the terms:
60 + -16k + k2 = -60 + 16k + 60 + -16k

Reorder the terms:
60 + -16k + k2 = -60 + 60 + 16k + -16k

Combine like terms: -60 + 60 = 0
60 + -16k + k2 = 0 + 16k + -16k
60 + -16k + k2 = 16k + -16k

Combine like terms: 16k + -16k = 0
60 + -16k + k2 = 0

Factor a trinomial.
(6 + -1k)(10 + -1k) = 0

Subproblem 1

Set the factor '(6 + -1k)' equal to zero and attempt to solve: Simplifying 6 + -1k = 0 Solving 6 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1k = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1k = 0 + -6 -1k = 0 + -6 Combine like terms: 0 + -6 = -6 -1k = -6 Divide each side by '-1'. k = 6 Simplifying k = 6

Subproblem 2

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

Solution

k = {6, 10}

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