-4k^2+8k+2=6

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Solution for -4k^2+8k+2=6 equation:


Simplifying
-4k2 + 8k + 2 = 6

Reorder the terms:
2 + 8k + -4k2 = 6

Solving
2 + 8k + -4k2 = 6

Solving for variable 'k'.

Reorder the terms:
2 + -6 + 8k + -4k2 = 6 + -6

Combine like terms: 2 + -6 = -4
-4 + 8k + -4k2 = 6 + -6

Combine like terms: 6 + -6 = 0
-4 + 8k + -4k2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-1 + 2k + -1k2) = 0

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

Ignore the factor 4.

Subproblem 1

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

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 = {1, 1}

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