0=-16t^2+32t+5.2

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Solution for 0=-16t^2+32t+5.2 equation:


Simplifying
0 = -16t2 + 32t + 5.2

Reorder the terms:
0 = 5.2 + 32t + -16t2

Solving
0 = 5.2 + 32t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -5.2 = -5.2
-5.2 + -32t + 16t2 = 5.2 + 32t + -16t2 + -5.2 + -32t + 16t2

Reorder the terms:
-5.2 + -32t + 16t2 = 5.2 + -5.2 + 32t + -32t + -16t2 + 16t2

Combine like terms: 5.2 + -5.2 = 0.0
-5.2 + -32t + 16t2 = 0.0 + 32t + -32t + -16t2 + 16t2
-5.2 + -32t + 16t2 = 32t + -32t + -16t2 + 16t2

Combine like terms: 32t + -32t = 0
-5.2 + -32t + 16t2 = 0 + -16t2 + 16t2
-5.2 + -32t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-5.2 + -32t + 16t2 = 0

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

Divide each side by '16'.
-0.325 + -2t + t2 = 0

Move the constant term to the right:

Add '0.325' to each side of the equation.
-0.325 + -2t + 0.325 + t2 = 0 + 0.325

Reorder the terms:
-0.325 + 0.325 + -2t + t2 = 0 + 0.325

Combine like terms: -0.325 + 0.325 = 0.000
0.000 + -2t + t2 = 0 + 0.325
-2t + t2 = 0 + 0.325

Combine like terms: 0 + 0.325 = 0.325
-2t + t2 = 0.325

The t term is -2t.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2t + 1 + t2 = 0.325 + 1

Reorder the terms:
1 + -2t + t2 = 0.325 + 1

Combine like terms: 0.325 + 1 = 1.325
1 + -2t + t2 = 1.325

Factor a perfect square on the left side:
(t + -1)(t + -1) = 1.325

Calculate the square root of the right side: 1.151086443

Break this problem into two subproblems by setting 
(t + -1) equal to 1.151086443 and -1.151086443.

Subproblem 1

t + -1 = 1.151086443 Simplifying t + -1 = 1.151086443 Reorder the terms: -1 + t = 1.151086443 Solving -1 + t = 1.151086443 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + t = 1.151086443 + 1 Combine like terms: -1 + 1 = 0 0 + t = 1.151086443 + 1 t = 1.151086443 + 1 Combine like terms: 1.151086443 + 1 = 2.151086443 t = 2.151086443 Simplifying t = 2.151086443

Subproblem 2

t + -1 = -1.151086443 Simplifying t + -1 = -1.151086443 Reorder the terms: -1 + t = -1.151086443 Solving -1 + t = -1.151086443 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + t = -1.151086443 + 1 Combine like terms: -1 + 1 = 0 0 + t = -1.151086443 + 1 t = -1.151086443 + 1 Combine like terms: -1.151086443 + 1 = -0.151086443 t = -0.151086443 Simplifying t = -0.151086443

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.151086443, -0.151086443}

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