6t^2+13t-6=0

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Solution for 6t^2+13t-6=0 equation:


Simplifying
6t2 + 13t + -6 = 0

Reorder the terms:
-6 + 13t + 6t2 = 0

Solving
-6 + 13t + 6t2 = 0

Solving for variable 't'.

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

Divide each side by '6'.
-1 + 2.166666667t + t2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 2.166666667t + 1 + t2 = 0 + 1

Reorder the terms:
-1 + 1 + 2.166666667t + t2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2.166666667t + t2 = 0 + 1
2.166666667t + t2 = 0 + 1

Combine like terms: 0 + 1 = 1
2.166666667t + t2 = 1

The t term is 2.166666667t.  Take half its coefficient (1.083333334).
Square it (1.173611113) and add it to both sides.

Add '1.173611113' to each side of the equation.
2.166666667t + 1.173611113 + t2 = 1 + 1.173611113

Reorder the terms:
1.173611113 + 2.166666667t + t2 = 1 + 1.173611113

Combine like terms: 1 + 1.173611113 = 2.173611113
1.173611113 + 2.166666667t + t2 = 2.173611113

Factor a perfect square on the left side:
(t + 1.083333334)(t + 1.083333334) = 2.173611113

Calculate the square root of the right side: 1.474317168

Break this problem into two subproblems by setting 
(t + 1.083333334) equal to 1.474317168 and -1.474317168.

Subproblem 1

t + 1.083333334 = 1.474317168 Simplifying t + 1.083333334 = 1.474317168 Reorder the terms: 1.083333334 + t = 1.474317168 Solving 1.083333334 + t = 1.474317168 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.083333334' to each side of the equation. 1.083333334 + -1.083333334 + t = 1.474317168 + -1.083333334 Combine like terms: 1.083333334 + -1.083333334 = 0.000000000 0.000000000 + t = 1.474317168 + -1.083333334 t = 1.474317168 + -1.083333334 Combine like terms: 1.474317168 + -1.083333334 = 0.390983834 t = 0.390983834 Simplifying t = 0.390983834

Subproblem 2

t + 1.083333334 = -1.474317168 Simplifying t + 1.083333334 = -1.474317168 Reorder the terms: 1.083333334 + t = -1.474317168 Solving 1.083333334 + t = -1.474317168 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.083333334' to each side of the equation. 1.083333334 + -1.083333334 + t = -1.474317168 + -1.083333334 Combine like terms: 1.083333334 + -1.083333334 = 0.000000000 0.000000000 + t = -1.474317168 + -1.083333334 t = -1.474317168 + -1.083333334 Combine like terms: -1.474317168 + -1.083333334 = -2.557650502 t = -2.557650502 Simplifying t = -2.557650502

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.390983834, -2.557650502}

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