6t^2-7t-17=0

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Solution for 6t^2-7t-17=0 equation:


Simplifying
6t2 + -7t + -17 = 0

Reorder the terms:
-17 + -7t + 6t2 = 0

Solving
-17 + -7t + 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'.
-2.833333333 + -1.166666667t + t2 = 0

Move the constant term to the right:

Add '2.833333333' to each side of the equation.
-2.833333333 + -1.166666667t + 2.833333333 + t2 = 0 + 2.833333333

Reorder the terms:
-2.833333333 + 2.833333333 + -1.166666667t + t2 = 0 + 2.833333333

Combine like terms: -2.833333333 + 2.833333333 = 0.000000000
0.000000000 + -1.166666667t + t2 = 0 + 2.833333333
-1.166666667t + t2 = 0 + 2.833333333

Combine like terms: 0 + 2.833333333 = 2.833333333
-1.166666667t + t2 = 2.833333333

The t term is -1.166666667t.  Take half its coefficient (-0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
-1.166666667t + 0.3402777780 + t2 = 2.833333333 + 0.3402777780

Reorder the terms:
0.3402777780 + -1.166666667t + t2 = 2.833333333 + 0.3402777780

Combine like terms: 2.833333333 + 0.3402777780 = 3.173611111
0.3402777780 + -1.166666667t + t2 = 3.173611111

Factor a perfect square on the left side:
(t + -0.5833333335)(t + -0.5833333335) = 3.173611111

Calculate the square root of the right side: 1.781463194

Break this problem into two subproblems by setting 
(t + -0.5833333335) equal to 1.781463194 and -1.781463194.

Subproblem 1

t + -0.5833333335 = 1.781463194 Simplifying t + -0.5833333335 = 1.781463194 Reorder the terms: -0.5833333335 + t = 1.781463194 Solving -0.5833333335 + t = 1.781463194 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.5833333335' to each side of the equation. -0.5833333335 + 0.5833333335 + t = 1.781463194 + 0.5833333335 Combine like terms: -0.5833333335 + 0.5833333335 = 0.0000000000 0.0000000000 + t = 1.781463194 + 0.5833333335 t = 1.781463194 + 0.5833333335 Combine like terms: 1.781463194 + 0.5833333335 = 2.3647965275 t = 2.3647965275 Simplifying t = 2.3647965275

Subproblem 2

t + -0.5833333335 = -1.781463194 Simplifying t + -0.5833333335 = -1.781463194 Reorder the terms: -0.5833333335 + t = -1.781463194 Solving -0.5833333335 + t = -1.781463194 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.5833333335' to each side of the equation. -0.5833333335 + 0.5833333335 + t = -1.781463194 + 0.5833333335 Combine like terms: -0.5833333335 + 0.5833333335 = 0.0000000000 0.0000000000 + t = -1.781463194 + 0.5833333335 t = -1.781463194 + 0.5833333335 Combine like terms: -1.781463194 + 0.5833333335 = -1.1981298605 t = -1.1981298605 Simplifying t = -1.1981298605

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.3647965275, -1.1981298605}

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