0=3t^2-23t-6

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Solution for 0=3t^2-23t-6 equation:


Simplifying
0 = 3t2 + -23t + -6

Reorder the terms:
0 = -6 + -23t + 3t2

Solving
0 = -6 + -23t + 3t2

Solving for variable 't'.

Combine like terms: 0 + 6 = 6
6 + 23t + -3t2 = -6 + -23t + 3t2 + 6 + 23t + -3t2

Reorder the terms:
6 + 23t + -3t2 = -6 + 6 + -23t + 23t + 3t2 + -3t2

Combine like terms: -6 + 6 = 0
6 + 23t + -3t2 = 0 + -23t + 23t + 3t2 + -3t2
6 + 23t + -3t2 = -23t + 23t + 3t2 + -3t2

Combine like terms: -23t + 23t = 0
6 + 23t + -3t2 = 0 + 3t2 + -3t2
6 + 23t + -3t2 = 3t2 + -3t2

Combine like terms: 3t2 + -3t2 = 0
6 + 23t + -3t2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-2 + -7.666666667t + t2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -7.666666667t + 2 + t2 = 0 + 2

Reorder the terms:
-2 + 2 + -7.666666667t + t2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -7.666666667t + t2 = 0 + 2
-7.666666667t + t2 = 0 + 2

Combine like terms: 0 + 2 = 2
-7.666666667t + t2 = 2

The t term is -7.666666667t.  Take half its coefficient (-3.833333334).
Square it (14.69444445) and add it to both sides.

Add '14.69444445' to each side of the equation.
-7.666666667t + 14.69444445 + t2 = 2 + 14.69444445

Reorder the terms:
14.69444445 + -7.666666667t + t2 = 2 + 14.69444445

Combine like terms: 2 + 14.69444445 = 16.69444445
14.69444445 + -7.666666667t + t2 = 16.69444445

Factor a perfect square on the left side:
(t + -3.833333334)(t + -3.833333334) = 16.69444445

Calculate the square root of the right side: 4.085883558

Break this problem into two subproblems by setting 
(t + -3.833333334) equal to 4.085883558 and -4.085883558.

Subproblem 1

t + -3.833333334 = 4.085883558 Simplifying t + -3.833333334 = 4.085883558 Reorder the terms: -3.833333334 + t = 4.085883558 Solving -3.833333334 + t = 4.085883558 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.833333334' to each side of the equation. -3.833333334 + 3.833333334 + t = 4.085883558 + 3.833333334 Combine like terms: -3.833333334 + 3.833333334 = 0.000000000 0.000000000 + t = 4.085883558 + 3.833333334 t = 4.085883558 + 3.833333334 Combine like terms: 4.085883558 + 3.833333334 = 7.919216892 t = 7.919216892 Simplifying t = 7.919216892

Subproblem 2

t + -3.833333334 = -4.085883558 Simplifying t + -3.833333334 = -4.085883558 Reorder the terms: -3.833333334 + t = -4.085883558 Solving -3.833333334 + t = -4.085883558 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.833333334' to each side of the equation. -3.833333334 + 3.833333334 + t = -4.085883558 + 3.833333334 Combine like terms: -3.833333334 + 3.833333334 = 0.000000000 0.000000000 + t = -4.085883558 + 3.833333334 t = -4.085883558 + 3.833333334 Combine like terms: -4.085883558 + 3.833333334 = -0.252550224 t = -0.252550224 Simplifying t = -0.252550224

Solution

The solution to the problem is based on the solutions from the subproblems. t = {7.919216892, -0.252550224}

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