t^2-19t+10=0

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Solution for t^2-19t+10=0 equation:


Simplifying
t2 + -19t + 10 = 0

Reorder the terms:
10 + -19t + t2 = 0

Solving
10 + -19t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -19t + -10 + t2 = 0 + -10

Reorder the terms:
10 + -10 + -19t + t2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -19t + t2 = 0 + -10
-19t + t2 = 0 + -10

Combine like terms: 0 + -10 = -10
-19t + t2 = -10

The t term is -19t.  Take half its coefficient (-9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
-19t + 90.25 + t2 = -10 + 90.25

Reorder the terms:
90.25 + -19t + t2 = -10 + 90.25

Combine like terms: -10 + 90.25 = 80.25
90.25 + -19t + t2 = 80.25

Factor a perfect square on the left side:
(t + -9.5)(t + -9.5) = 80.25

Calculate the square root of the right side: 8.958236434

Break this problem into two subproblems by setting 
(t + -9.5) equal to 8.958236434 and -8.958236434.

Subproblem 1

t + -9.5 = 8.958236434 Simplifying t + -9.5 = 8.958236434 Reorder the terms: -9.5 + t = 8.958236434 Solving -9.5 + t = 8.958236434 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + t = 8.958236434 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + t = 8.958236434 + 9.5 t = 8.958236434 + 9.5 Combine like terms: 8.958236434 + 9.5 = 18.458236434 t = 18.458236434 Simplifying t = 18.458236434

Subproblem 2

t + -9.5 = -8.958236434 Simplifying t + -9.5 = -8.958236434 Reorder the terms: -9.5 + t = -8.958236434 Solving -9.5 + t = -8.958236434 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + t = -8.958236434 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + t = -8.958236434 + 9.5 t = -8.958236434 + 9.5 Combine like terms: -8.958236434 + 9.5 = 0.541763566 t = 0.541763566 Simplifying t = 0.541763566

Solution

The solution to the problem is based on the solutions from the subproblems. t = {18.458236434, 0.541763566}

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