-16t^2+96t+80=125

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Solution for -16t^2+96t+80=125 equation:


Simplifying
-16t2 + 96t + 80 = 125

Reorder the terms:
80 + 96t + -16t2 = 125

Solving
80 + 96t + -16t2 = 125

Solving for variable 't'.

Reorder the terms:
80 + -125 + 96t + -16t2 = 125 + -125

Combine like terms: 80 + -125 = -45
-45 + 96t + -16t2 = 125 + -125

Combine like terms: 125 + -125 = 0
-45 + 96t + -16t2 = 0

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
2.8125 + -6t + t2 = 0

Move the constant term to the right:

Add '-2.8125' to each side of the equation.
2.8125 + -6t + -2.8125 + t2 = 0 + -2.8125

Reorder the terms:
2.8125 + -2.8125 + -6t + t2 = 0 + -2.8125

Combine like terms: 2.8125 + -2.8125 = 0.0000
0.0000 + -6t + t2 = 0 + -2.8125
-6t + t2 = 0 + -2.8125

Combine like terms: 0 + -2.8125 = -2.8125
-6t + t2 = -2.8125

The t term is -6t.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6t + 9 + t2 = -2.8125 + 9

Reorder the terms:
9 + -6t + t2 = -2.8125 + 9

Combine like terms: -2.8125 + 9 = 6.1875
9 + -6t + t2 = 6.1875

Factor a perfect square on the left side:
(t + -3)(t + -3) = 6.1875

Calculate the square root of the right side: 2.487468593

Break this problem into two subproblems by setting 
(t + -3) equal to 2.487468593 and -2.487468593.

Subproblem 1

t + -3 = 2.487468593 Simplifying t + -3 = 2.487468593 Reorder the terms: -3 + t = 2.487468593 Solving -3 + t = 2.487468593 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = 2.487468593 + 3 Combine like terms: -3 + 3 = 0 0 + t = 2.487468593 + 3 t = 2.487468593 + 3 Combine like terms: 2.487468593 + 3 = 5.487468593 t = 5.487468593 Simplifying t = 5.487468593

Subproblem 2

t + -3 = -2.487468593 Simplifying t + -3 = -2.487468593 Reorder the terms: -3 + t = -2.487468593 Solving -3 + t = -2.487468593 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = -2.487468593 + 3 Combine like terms: -3 + 3 = 0 0 + t = -2.487468593 + 3 t = -2.487468593 + 3 Combine like terms: -2.487468593 + 3 = 0.512531407 t = 0.512531407 Simplifying t = 0.512531407

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.487468593, 0.512531407}

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