k^2=-4k+5

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Solution for k^2=-4k+5 equation:


Simplifying
k2 = -4k + 5

Reorder the terms:
k2 = 5 + -4k

Solving
k2 = 5 + -4k

Solving for variable 'k'.

Reorder the terms:
-5 + 4k + k2 = 5 + -4k + -5 + 4k

Reorder the terms:
-5 + 4k + k2 = 5 + -5 + -4k + 4k

Combine like terms: 5 + -5 = 0
-5 + 4k + k2 = 0 + -4k + 4k
-5 + 4k + k2 = -4k + 4k

Combine like terms: -4k + 4k = 0
-5 + 4k + k2 = 0

Factor a trinomial.
(-5 + -1k)(1 + -1k) = 0

Subproblem 1

Set the factor '(-5 + -1k)' equal to zero and attempt to solve: Simplifying -5 + -1k = 0 Solving -5 + -1k = 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 + -1k = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1k = 0 + 5 -1k = 0 + 5 Combine like terms: 0 + 5 = 5 -1k = 5 Divide each side by '-1'. k = -5 Simplifying k = -5

Subproblem 2

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

Solution

k = {-5, 1}

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