5k^2-10k+3=0

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Solution for 5k^2-10k+3=0 equation:


Simplifying
5k2 + -10k + 3 = 0

Reorder the terms:
3 + -10k + 5k2 = 0

Solving
3 + -10k + 5k2 = 0

Solving for variable 'k'.

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
0.6 + -2k + k2 = 0

Move the constant term to the right:

Add '-0.6' to each side of the equation.
0.6 + -2k + -0.6 + k2 = 0 + -0.6

Reorder the terms:
0.6 + -0.6 + -2k + k2 = 0 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + -2k + k2 = 0 + -0.6
-2k + k2 = 0 + -0.6

Combine like terms: 0 + -0.6 = -0.6
-2k + k2 = -0.6

The k term is -2k.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2k + 1 + k2 = -0.6 + 1

Reorder the terms:
1 + -2k + k2 = -0.6 + 1

Combine like terms: -0.6 + 1 = 0.4
1 + -2k + k2 = 0.4

Factor a perfect square on the left side:
(k + -1)(k + -1) = 0.4

Calculate the square root of the right side: 0.632455532

Break this problem into two subproblems by setting 
(k + -1) equal to 0.632455532 and -0.632455532.

Subproblem 1

k + -1 = 0.632455532 Simplifying k + -1 = 0.632455532 Reorder the terms: -1 + k = 0.632455532 Solving -1 + k = 0.632455532 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + k = 0.632455532 + 1 Combine like terms: -1 + 1 = 0 0 + k = 0.632455532 + 1 k = 0.632455532 + 1 Combine like terms: 0.632455532 + 1 = 1.632455532 k = 1.632455532 Simplifying k = 1.632455532

Subproblem 2

k + -1 = -0.632455532 Simplifying k + -1 = -0.632455532 Reorder the terms: -1 + k = -0.632455532 Solving -1 + k = -0.632455532 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + k = -0.632455532 + 1 Combine like terms: -1 + 1 = 0 0 + k = -0.632455532 + 1 k = -0.632455532 + 1 Combine like terms: -0.632455532 + 1 = 0.367544468 k = 0.367544468 Simplifying k = 0.367544468

Solution

The solution to the problem is based on the solutions from the subproblems. k = {1.632455532, 0.367544468}

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