5k^2-36k=-2k^2-5

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Solution for 5k^2-36k=-2k^2-5 equation:


Simplifying
5k2 + -36k = -2k2 + -5

Reorder the terms:
-36k + 5k2 = -2k2 + -5

Reorder the terms:
-36k + 5k2 = -5 + -2k2

Solving
-36k + 5k2 = -5 + -2k2

Solving for variable 'k'.

Reorder the terms:
5 + -36k + 5k2 + 2k2 = -5 + -2k2 + 5 + 2k2

Combine like terms: 5k2 + 2k2 = 7k2
5 + -36k + 7k2 = -5 + -2k2 + 5 + 2k2

Reorder the terms:
5 + -36k + 7k2 = -5 + 5 + -2k2 + 2k2

Combine like terms: -5 + 5 = 0
5 + -36k + 7k2 = 0 + -2k2 + 2k2
5 + -36k + 7k2 = -2k2 + 2k2

Combine like terms: -2k2 + 2k2 = 0
5 + -36k + 7k2 = 0

Factor a trinomial.
(1 + -7k)(5 + -1k) = 0

Subproblem 1

Set the factor '(1 + -7k)' equal to zero and attempt to solve: Simplifying 1 + -7k = 0 Solving 1 + -7k = 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 + -7k = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7k = 0 + -1 -7k = 0 + -1 Combine like terms: 0 + -1 = -1 -7k = -1 Divide each side by '-7'. k = 0.1428571429 Simplifying k = 0.1428571429

Subproblem 2

Set the factor '(5 + -1k)' equal to zero and attempt to solve: Simplifying 5 + -1k = 0 Solving 5 + -1k = 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 + -1k = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1k = 0 + -5 -1k = 0 + -5 Combine like terms: 0 + -5 = -5 -1k = -5 Divide each side by '-1'. k = 5 Simplifying k = 5

Solution

k = {0.1428571429, 5}

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