-16t^2+36t+4=0

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Solution for -16t^2+36t+4=0 equation: 


Simplifying
-16t2 + 36t + 4 = 0

Reorder the terms:
4 + 36t + -16t2 = 0

Solving
4 + 36t + -16t2 = 0

Solving for variable 't'.

Factor out the Greatest Common Factor (GCF), '4'.
4(1 + 9t + -4t2) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(1 + 9t + -4t2)' equal to zero and attempt to solve:

Simplifying
1 + 9t + -4t2 = 0

Solving
1 + 9t + -4t2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
-0.25 + -2.25t + t2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -2.25t + 0.25 + t2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -2.25t + t2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -2.25t + t2 = 0 + 0.25
-2.25t + t2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-2.25t + t2 = 0.25

The t term is -2.25t.  Take half its coefficient (-1.125).
Square it (1.265625) and add it to both sides.

Add '1.265625' to each side of the equation.
-2.25t + 1.265625 + t2 = 0.25 + 1.265625

Reorder the terms:
1.265625 + -2.25t + t2 = 0.25 + 1.265625

Combine like terms: 0.25 + 1.265625 = 1.515625
1.265625 + -2.25t + t2 = 1.515625

Factor a perfect square on the left side:
(t + -1.125)(t + -1.125) = 1.515625

Calculate the square root of the right side: 1.231107225

Break this problem into two subproblems by setting 
(t + -1.125) equal to 1.231107225 and -1.231107225.


Subproblem 1
t + -1.125 = 1.231107225

Simplifying
t + -1.125 = 1.231107225

Reorder the terms:
-1.125 + t = 1.231107225

Solving
-1.125 + t = 1.231107225

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '1.125' to each side of the equation.
-1.125 + 1.125 + t = 1.231107225 + 1.125

Combine like terms: -1.125 + 1.125 = 0.000
0.000 + t = 1.231107225 + 1.125
t = 1.231107225 + 1.125

Combine like terms: 1.231107225 + 1.125 = 2.356107225
t = 2.356107225

Simplifying
t = 2.356107225


Subproblem 2
t + -1.125 = -1.231107225

Simplifying
t + -1.125 = -1.231107225

Reorder the terms:
-1.125 + t = -1.231107225

Solving
-1.125 + t = -1.231107225

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '1.125' to each side of the equation.
-1.125 + 1.125 + t = -1.231107225 + 1.125

Combine like terms: -1.125 + 1.125 = 0.000
0.000 + t = -1.231107225 + 1.125
t = -1.231107225 + 1.125

Combine like terms: -1.231107225 + 1.125 = -0.106107225
t = -0.106107225

Simplifying
t = -0.106107225


Solution
The solution to the problem is based on the solutions
from the subproblems.
t = {2.356107225, -0.106107225}
Solution
t = {2.356107225, -0.106107225}

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