0=-2k^2+12k-10

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Solution for 0=-2k^2+12k-10 equation:


Simplifying
0 = -2k2 + 12k + -10

Reorder the terms:
0 = -10 + 12k + -2k2

Solving
0 = -10 + 12k + -2k2

Solving for variable 'k'.

Combine like terms: 0 + 10 = 10
10 + -12k + 2k2 = -10 + 12k + -2k2 + 10 + -12k + 2k2

Reorder the terms:
10 + -12k + 2k2 = -10 + 10 + 12k + -12k + -2k2 + 2k2

Combine like terms: -10 + 10 = 0
10 + -12k + 2k2 = 0 + 12k + -12k + -2k2 + 2k2
10 + -12k + 2k2 = 12k + -12k + -2k2 + 2k2

Combine like terms: 12k + -12k = 0
10 + -12k + 2k2 = 0 + -2k2 + 2k2
10 + -12k + 2k2 = -2k2 + 2k2

Combine like terms: -2k2 + 2k2 = 0
10 + -12k + 2k2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + -6k + k2) = 0

Factor a trinomial.
2((1 + -1k)(5 + -1k)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

k = {1, 5}

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