0=2k^2+k-3

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Solution for 0=2k^2+k-3 equation:


Simplifying
0 = 2k2 + k + -3

Reorder the terms:
0 = -3 + k + 2k2

Solving
0 = -3 + k + 2k2

Solving for variable 'k'.

Combine like terms: 0 + 3 = 3
3 + -1k + -2k2 = -3 + k + 2k2 + 3 + -1k + -2k2

Reorder the terms:
3 + -1k + -2k2 = -3 + 3 + k + -1k + 2k2 + -2k2

Combine like terms: -3 + 3 = 0
3 + -1k + -2k2 = 0 + k + -1k + 2k2 + -2k2
3 + -1k + -2k2 = k + -1k + 2k2 + -2k2

Combine like terms: k + -1k = 0
3 + -1k + -2k2 = 0 + 2k2 + -2k2
3 + -1k + -2k2 = 2k2 + -2k2

Combine like terms: 2k2 + -2k2 = 0
3 + -1k + -2k2 = 0

Factor a trinomial.
(1 + -1k)(3 + 2k) = 0

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 '(3 + 2k)' equal to zero and attempt to solve: Simplifying 3 + 2k = 0 Solving 3 + 2k = 0 Move all terms containing k to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2k = 0 + -3 2k = 0 + -3 Combine like terms: 0 + -3 = -3 2k = -3 Divide each side by '2'. k = -1.5 Simplifying k = -1.5

Solution

k = {1, -1.5}

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