2k(4-3k)-(-3)+2k=

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Solution for 2k(4-3k)-(-3)+2k= equation:


Simplifying
2k(4 + -3k) + -1(-3) + 2k = 0
(4 * 2k + -3k * 2k) + -1(-3) + 2k = 0
(8k + -6k2) + -1(-3) + 2k = 0

Multiply -1 * -3
8k + -6k2 + 3 + 2k = 0

Reorder the terms:
3 + 8k + 2k + -6k2 = 0

Combine like terms: 8k + 2k = 10k
3 + 10k + -6k2 = 0

Solving
3 + 10k + -6k2 = 0

Solving for variable 'k'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-0.5 + -1.666666667k + k2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -1.666666667k + 0.5 + k2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -1.666666667k + k2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -1.666666667k + k2 = 0 + 0.5
-1.666666667k + k2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-1.666666667k + k2 = 0.5

The k term is -1.666666667k.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667k + 0.6944444447 + k2 = 0.5 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667k + k2 = 0.5 + 0.6944444447

Combine like terms: 0.5 + 0.6944444447 = 1.1944444447
0.6944444447 + -1.666666667k + k2 = 1.1944444447

Factor a perfect square on the left side:
(k + -0.8333333335)(k + -0.8333333335) = 1.1944444447

Calculate the square root of the right side: 1.092906421

Break this problem into two subproblems by setting 
(k + -0.8333333335) equal to 1.092906421 and -1.092906421.

Subproblem 1

k + -0.8333333335 = 1.092906421 Simplifying k + -0.8333333335 = 1.092906421 Reorder the terms: -0.8333333335 + k = 1.092906421 Solving -0.8333333335 + k = 1.092906421 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + k = 1.092906421 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + k = 1.092906421 + 0.8333333335 k = 1.092906421 + 0.8333333335 Combine like terms: 1.092906421 + 0.8333333335 = 1.9262397545 k = 1.9262397545 Simplifying k = 1.9262397545

Subproblem 2

k + -0.8333333335 = -1.092906421 Simplifying k + -0.8333333335 = -1.092906421 Reorder the terms: -0.8333333335 + k = -1.092906421 Solving -0.8333333335 + k = -1.092906421 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + k = -1.092906421 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + k = -1.092906421 + 0.8333333335 k = -1.092906421 + 0.8333333335 Combine like terms: -1.092906421 + 0.8333333335 = -0.2595730875 k = -0.2595730875 Simplifying k = -0.2595730875

Solution

The solution to the problem is based on the solutions from the subproblems. k = {1.9262397545, -0.2595730875}

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