8t^2-61t+96=0

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Solution for 8t^2-61t+96=0 equation:


Simplifying
8t2 + -61t + 96 = 0

Reorder the terms:
96 + -61t + 8t2 = 0

Solving
96 + -61t + 8t2 = 0

Solving for variable 't'.

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

Divide each side by '8'.
12 + -7.625t + t2 = 0

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -7.625t + -12 + t2 = 0 + -12

Reorder the terms:
12 + -12 + -7.625t + t2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -7.625t + t2 = 0 + -12
-7.625t + t2 = 0 + -12

Combine like terms: 0 + -12 = -12
-7.625t + t2 = -12

The t term is -7.625t.  Take half its coefficient (-3.8125).
Square it (14.53515625) and add it to both sides.

Add '14.53515625' to each side of the equation.
-7.625t + 14.53515625 + t2 = -12 + 14.53515625

Reorder the terms:
14.53515625 + -7.625t + t2 = -12 + 14.53515625

Combine like terms: -12 + 14.53515625 = 2.53515625
14.53515625 + -7.625t + t2 = 2.53515625

Factor a perfect square on the left side:
(t + -3.8125)(t + -3.8125) = 2.53515625

Calculate the square root of the right side: 1.5922174

Break this problem into two subproblems by setting 
(t + -3.8125) equal to 1.5922174 and -1.5922174.

Subproblem 1

t + -3.8125 = 1.5922174 Simplifying t + -3.8125 = 1.5922174 Reorder the terms: -3.8125 + t = 1.5922174 Solving -3.8125 + t = 1.5922174 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.8125' to each side of the equation. -3.8125 + 3.8125 + t = 1.5922174 + 3.8125 Combine like terms: -3.8125 + 3.8125 = 0.0000 0.0000 + t = 1.5922174 + 3.8125 t = 1.5922174 + 3.8125 Combine like terms: 1.5922174 + 3.8125 = 5.4047174 t = 5.4047174 Simplifying t = 5.4047174

Subproblem 2

t + -3.8125 = -1.5922174 Simplifying t + -3.8125 = -1.5922174 Reorder the terms: -3.8125 + t = -1.5922174 Solving -3.8125 + t = -1.5922174 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.8125' to each side of the equation. -3.8125 + 3.8125 + t = -1.5922174 + 3.8125 Combine like terms: -3.8125 + 3.8125 = 0.0000 0.0000 + t = -1.5922174 + 3.8125 t = -1.5922174 + 3.8125 Combine like terms: -1.5922174 + 3.8125 = 2.2202826 t = 2.2202826 Simplifying t = 2.2202826

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.4047174, 2.2202826}

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