45=16t^2+55t+6

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Solution for 45=16t^2+55t+6 equation:


Simplifying
45 = 16t2 + 55t + 6

Reorder the terms:
45 = 6 + 55t + 16t2

Solving
45 = 6 + 55t + 16t2

Solving for variable 't'.

Combine like terms: 45 + -6 = 39
39 + -55t + -16t2 = 6 + 55t + 16t2 + -6 + -55t + -16t2

Reorder the terms:
39 + -55t + -16t2 = 6 + -6 + 55t + -55t + 16t2 + -16t2

Combine like terms: 6 + -6 = 0
39 + -55t + -16t2 = 0 + 55t + -55t + 16t2 + -16t2
39 + -55t + -16t2 = 55t + -55t + 16t2 + -16t2

Combine like terms: 55t + -55t = 0
39 + -55t + -16t2 = 0 + 16t2 + -16t2
39 + -55t + -16t2 = 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
39 + -55t + -16t2 = 0

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

Divide each side by '-16'.
-2.4375 + 3.4375t + t2 = 0

Move the constant term to the right:

Add '2.4375' to each side of the equation.
-2.4375 + 3.4375t + 2.4375 + t2 = 0 + 2.4375

Reorder the terms:
-2.4375 + 2.4375 + 3.4375t + t2 = 0 + 2.4375

Combine like terms: -2.4375 + 2.4375 = 0.0000
0.0000 + 3.4375t + t2 = 0 + 2.4375
3.4375t + t2 = 0 + 2.4375

Combine like terms: 0 + 2.4375 = 2.4375
3.4375t + t2 = 2.4375

The t term is 3.4375t.  Take half its coefficient (1.71875).
Square it (2.954101563) and add it to both sides.

Add '2.954101563' to each side of the equation.
3.4375t + 2.954101563 + t2 = 2.4375 + 2.954101563

Reorder the terms:
2.954101563 + 3.4375t + t2 = 2.4375 + 2.954101563

Combine like terms: 2.4375 + 2.954101563 = 5.391601563
2.954101563 + 3.4375t + t2 = 5.391601563

Factor a perfect square on the left side:
(t + 1.71875)(t + 1.71875) = 5.391601563

Calculate the square root of the right side: 2.321982249

Break this problem into two subproblems by setting 
(t + 1.71875) equal to 2.321982249 and -2.321982249.

Subproblem 1

t + 1.71875 = 2.321982249 Simplifying t + 1.71875 = 2.321982249 Reorder the terms: 1.71875 + t = 2.321982249 Solving 1.71875 + t = 2.321982249 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.71875' to each side of the equation. 1.71875 + -1.71875 + t = 2.321982249 + -1.71875 Combine like terms: 1.71875 + -1.71875 = 0.00000 0.00000 + t = 2.321982249 + -1.71875 t = 2.321982249 + -1.71875 Combine like terms: 2.321982249 + -1.71875 = 0.603232249 t = 0.603232249 Simplifying t = 0.603232249

Subproblem 2

t + 1.71875 = -2.321982249 Simplifying t + 1.71875 = -2.321982249 Reorder the terms: 1.71875 + t = -2.321982249 Solving 1.71875 + t = -2.321982249 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.71875' to each side of the equation. 1.71875 + -1.71875 + t = -2.321982249 + -1.71875 Combine like terms: 1.71875 + -1.71875 = 0.00000 0.00000 + t = -2.321982249 + -1.71875 t = -2.321982249 + -1.71875 Combine like terms: -2.321982249 + -1.71875 = -4.040732249 t = -4.040732249 Simplifying t = -4.040732249

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.603232249, -4.040732249}

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