15k^2=25-10k

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Solution for 15k^2=25-10k equation:


Simplifying
15k2 = 25 + -10k

Solving
15k2 = 25 + -10k

Solving for variable 'k'.

Reorder the terms:
-25 + 10k + 15k2 = 25 + -10k + -25 + 10k

Reorder the terms:
-25 + 10k + 15k2 = 25 + -25 + -10k + 10k

Combine like terms: 25 + -25 = 0
-25 + 10k + 15k2 = 0 + -10k + 10k
-25 + 10k + 15k2 = -10k + 10k

Combine like terms: -10k + 10k = 0
-25 + 10k + 15k2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-5 + 2k + 3k2) = 0

Factor a trinomial.
5((-5 + -3k)(1 + -1k)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-5 + -3k)' equal to zero and attempt to solve: Simplifying -5 + -3k = 0 Solving -5 + -3k = 0 Move all terms containing k to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -3k = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3k = 0 + 5 -3k = 0 + 5 Combine like terms: 0 + 5 = 5 -3k = 5 Divide each side by '-3'. k = -1.666666667 Simplifying k = -1.666666667

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 = {-1.666666667, 1}

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