18k^2-32=2k^2-56k

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Solution for 18k^2-32=2k^2-56k equation:


Simplifying
18k2 + -32 = 2k2 + -56k

Reorder the terms:
-32 + 18k2 = 2k2 + -56k

Reorder the terms:
-32 + 18k2 = -56k + 2k2

Solving
-32 + 18k2 = -56k + 2k2

Solving for variable 'k'.

Reorder the terms:
-32 + 56k + 18k2 + -2k2 = -56k + 2k2 + 56k + -2k2

Combine like terms: 18k2 + -2k2 = 16k2
-32 + 56k + 16k2 = -56k + 2k2 + 56k + -2k2

Reorder the terms:
-32 + 56k + 16k2 = -56k + 56k + 2k2 + -2k2

Combine like terms: -56k + 56k = 0
-32 + 56k + 16k2 = 0 + 2k2 + -2k2
-32 + 56k + 16k2 = 2k2 + -2k2

Combine like terms: 2k2 + -2k2 = 0
-32 + 56k + 16k2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-4 + 7k + 2k2) = 0

Factor a trinomial.
8((-4 + -1k)(1 + -2k)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-4 + -1k)' equal to zero and attempt to solve: Simplifying -4 + -1k = 0 Solving -4 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1k = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1k = 0 + 4 -1k = 0 + 4 Combine like terms: 0 + 4 = 4 -1k = 4 Divide each side by '-1'. k = -4 Simplifying k = -4

Subproblem 2

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

Solution

k = {-4, 0.5}

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