2k^2-5k=3

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Solution for 2k^2-5k=3 equation:


Simplifying
2k2 + -5k = 3

Reorder the terms:
-5k + 2k2 = 3

Solving
-5k + 2k2 = 3

Solving for variable 'k'.

Reorder the terms:
-3 + -5k + 2k2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + -5k + 2k2 = 0

Factor a trinomial.
(-1 + -2k)(3 + -1k) = 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 '(3 + -1k)' equal to zero and attempt to solve: Simplifying 3 + -1k = 0 Solving 3 + -1k = 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 + -1k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1k = 0 + -3 -1k = 0 + -3 Combine like terms: 0 + -3 = -3 -1k = -3 Divide each side by '-1'. k = 3 Simplifying k = 3

Solution

k = {-0.5, 3}

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