0=-16t^2+107t+36

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Solution for 0=-16t^2+107t+36 equation:


Simplifying
0 = -16t2 + 107t + 36

Reorder the terms:
0 = 36 + 107t + -16t2

Solving
0 = 36 + 107t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -36 = -36
-36 + -107t + 16t2 = 36 + 107t + -16t2 + -36 + -107t + 16t2

Reorder the terms:
-36 + -107t + 16t2 = 36 + -36 + 107t + -107t + -16t2 + 16t2

Combine like terms: 36 + -36 = 0
-36 + -107t + 16t2 = 0 + 107t + -107t + -16t2 + 16t2
-36 + -107t + 16t2 = 107t + -107t + -16t2 + 16t2

Combine like terms: 107t + -107t = 0
-36 + -107t + 16t2 = 0 + -16t2 + 16t2
-36 + -107t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-36 + -107t + 16t2 = 0

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

Divide each side by '16'.
-2.25 + -6.6875t + t2 = 0

Move the constant term to the right:

Add '2.25' to each side of the equation.
-2.25 + -6.6875t + 2.25 + t2 = 0 + 2.25

Reorder the terms:
-2.25 + 2.25 + -6.6875t + t2 = 0 + 2.25

Combine like terms: -2.25 + 2.25 = 0.00
0.00 + -6.6875t + t2 = 0 + 2.25
-6.6875t + t2 = 0 + 2.25

Combine like terms: 0 + 2.25 = 2.25
-6.6875t + t2 = 2.25

The t term is -6.6875t.  Take half its coefficient (-3.34375).
Square it (11.18066406) and add it to both sides.

Add '11.18066406' to each side of the equation.
-6.6875t + 11.18066406 + t2 = 2.25 + 11.18066406

Reorder the terms:
11.18066406 + -6.6875t + t2 = 2.25 + 11.18066406

Combine like terms: 2.25 + 11.18066406 = 13.43066406
11.18066406 + -6.6875t + t2 = 13.43066406

Factor a perfect square on the left side:
(t + -3.34375)(t + -3.34375) = 13.43066406

Calculate the square root of the right side: 3.664787042

Break this problem into two subproblems by setting 
(t + -3.34375) equal to 3.664787042 and -3.664787042.

Subproblem 1

t + -3.34375 = 3.664787042 Simplifying t + -3.34375 = 3.664787042 Reorder the terms: -3.34375 + t = 3.664787042 Solving -3.34375 + t = 3.664787042 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.34375' to each side of the equation. -3.34375 + 3.34375 + t = 3.664787042 + 3.34375 Combine like terms: -3.34375 + 3.34375 = 0.00000 0.00000 + t = 3.664787042 + 3.34375 t = 3.664787042 + 3.34375 Combine like terms: 3.664787042 + 3.34375 = 7.008537042 t = 7.008537042 Simplifying t = 7.008537042

Subproblem 2

t + -3.34375 = -3.664787042 Simplifying t + -3.34375 = -3.664787042 Reorder the terms: -3.34375 + t = -3.664787042 Solving -3.34375 + t = -3.664787042 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.34375' to each side of the equation. -3.34375 + 3.34375 + t = -3.664787042 + 3.34375 Combine like terms: -3.34375 + 3.34375 = 0.00000 0.00000 + t = -3.664787042 + 3.34375 t = -3.664787042 + 3.34375 Combine like terms: -3.664787042 + 3.34375 = -0.321037042 t = -0.321037042 Simplifying t = -0.321037042

Solution

The solution to the problem is based on the solutions from the subproblems. t = {7.008537042, -0.321037042}

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