2k^2=9+3k

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Solution for 2k^2=9+3k equation:


Simplifying
2k2 = 9 + 3k

Solving
2k2 = 9 + 3k

Solving for variable 'k'.

Reorder the terms:
-9 + -3k + 2k2 = 9 + 3k + -9 + -3k

Reorder the terms:
-9 + -3k + 2k2 = 9 + -9 + 3k + -3k

Combine like terms: 9 + -9 = 0
-9 + -3k + 2k2 = 0 + 3k + -3k
-9 + -3k + 2k2 = 3k + -3k

Combine like terms: 3k + -3k = 0
-9 + -3k + 2k2 = 0

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

Subproblem 1

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

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 = {-1.5, 3}

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