19t^2-110t-190=0

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Solution for 19t^2-110t-190=0 equation:


Simplifying
19t2 + -110t + -190 = 0

Reorder the terms:
-190 + -110t + 19t2 = 0

Solving
-190 + -110t + 19t2 = 0

Solving for variable 't'.

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

Divide each side by '19'.
-10 + -5.789473684t + t2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -5.789473684t + 10 + t2 = 0 + 10

Reorder the terms:
-10 + 10 + -5.789473684t + t2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -5.789473684t + t2 = 0 + 10
-5.789473684t + t2 = 0 + 10

Combine like terms: 0 + 10 = 10
-5.789473684t + t2 = 10

The t term is -5.789473684t.  Take half its coefficient (-2.894736842).
Square it (8.379501384) and add it to both sides.

Add '8.379501384' to each side of the equation.
-5.789473684t + 8.379501384 + t2 = 10 + 8.379501384

Reorder the terms:
8.379501384 + -5.789473684t + t2 = 10 + 8.379501384

Combine like terms: 10 + 8.379501384 = 18.379501384
8.379501384 + -5.789473684t + t2 = 18.379501384

Factor a perfect square on the left side:
(t + -2.894736842)(t + -2.894736842) = 18.379501384

Calculate the square root of the right side: 4.28713207

Break this problem into two subproblems by setting 
(t + -2.894736842) equal to 4.28713207 and -4.28713207.

Subproblem 1

t + -2.894736842 = 4.28713207 Simplifying t + -2.894736842 = 4.28713207 Reorder the terms: -2.894736842 + t = 4.28713207 Solving -2.894736842 + t = 4.28713207 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.894736842' to each side of the equation. -2.894736842 + 2.894736842 + t = 4.28713207 + 2.894736842 Combine like terms: -2.894736842 + 2.894736842 = 0.000000000 0.000000000 + t = 4.28713207 + 2.894736842 t = 4.28713207 + 2.894736842 Combine like terms: 4.28713207 + 2.894736842 = 7.181868912 t = 7.181868912 Simplifying t = 7.181868912

Subproblem 2

t + -2.894736842 = -4.28713207 Simplifying t + -2.894736842 = -4.28713207 Reorder the terms: -2.894736842 + t = -4.28713207 Solving -2.894736842 + t = -4.28713207 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.894736842' to each side of the equation. -2.894736842 + 2.894736842 + t = -4.28713207 + 2.894736842 Combine like terms: -2.894736842 + 2.894736842 = 0.000000000 0.000000000 + t = -4.28713207 + 2.894736842 t = -4.28713207 + 2.894736842 Combine like terms: -4.28713207 + 2.894736842 = -1.392395228 t = -1.392395228 Simplifying t = -1.392395228

Solution

The solution to the problem is based on the solutions from the subproblems. t = {7.181868912, -1.392395228}

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