4k^2-12k-7=0

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Solution for 4k^2-12k-7=0 equation:


Simplifying
4k2 + -12k + -7 = 0

Reorder the terms:
-7 + -12k + 4k2 = 0

Solving
-7 + -12k + 4k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-1 + -2k)(7 + -2k) = 0

Subproblem 1

Set the factor '(-1 + -2k)' equal to zero and attempt to solve: Simplifying -1 + -2k = 0 Solving -1 + -2k = 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 + -2k = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2k = 0 + 1 -2k = 0 + 1 Combine like terms: 0 + 1 = 1 -2k = 1 Divide each side by '-2'. k = -0.5 Simplifying k = -0.5

Subproblem 2

Set the factor '(7 + -2k)' equal to zero and attempt to solve: Simplifying 7 + -2k = 0 Solving 7 + -2k = 0 Move all terms containing k to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2k = 0 + -7 -2k = 0 + -7 Combine like terms: 0 + -7 = -7 -2k = -7 Divide each side by '-2'. k = 3.5 Simplifying k = 3.5

Solution

k = {-0.5, 3.5}

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