0=16t^2+50t+3.5

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Solution for 0=16t^2+50t+3.5 equation:


Simplifying
0 = 16t2 + 50t + 3.5

Reorder the terms:
0 = 3.5 + 50t + 16t2

Solving
0 = 3.5 + 50t + 16t2

Solving for variable 't'.

Combine like terms: 0 + -3.5 = -3.5
-3.5 + -50t + -16t2 = 3.5 + 50t + 16t2 + -3.5 + -50t + -16t2

Reorder the terms:
-3.5 + -50t + -16t2 = 3.5 + -3.5 + 50t + -50t + 16t2 + -16t2

Combine like terms: 3.5 + -3.5 = 0.0
-3.5 + -50t + -16t2 = 0.0 + 50t + -50t + 16t2 + -16t2
-3.5 + -50t + -16t2 = 50t + -50t + 16t2 + -16t2

Combine like terms: 50t + -50t = 0
-3.5 + -50t + -16t2 = 0 + 16t2 + -16t2
-3.5 + -50t + -16t2 = 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
-3.5 + -50t + -16t2 = 0

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

Divide each side by '-16'.
0.21875 + 3.125t + t2 = 0

Move the constant term to the right:

Add '-0.21875' to each side of the equation.
0.21875 + 3.125t + -0.21875 + t2 = 0 + -0.21875

Reorder the terms:
0.21875 + -0.21875 + 3.125t + t2 = 0 + -0.21875

Combine like terms: 0.21875 + -0.21875 = 0.00000
0.00000 + 3.125t + t2 = 0 + -0.21875
3.125t + t2 = 0 + -0.21875

Combine like terms: 0 + -0.21875 = -0.21875
3.125t + t2 = -0.21875

The t term is 3.125t.  Take half its coefficient (1.5625).
Square it (2.44140625) and add it to both sides.

Add '2.44140625' to each side of the equation.
3.125t + 2.44140625 + t2 = -0.21875 + 2.44140625

Reorder the terms:
2.44140625 + 3.125t + t2 = -0.21875 + 2.44140625

Combine like terms: -0.21875 + 2.44140625 = 2.22265625
2.44140625 + 3.125t + t2 = 2.22265625

Factor a perfect square on the left side:
(t + 1.5625)(t + 1.5625) = 2.22265625

Calculate the square root of the right side: 1.490857555

Break this problem into two subproblems by setting 
(t + 1.5625) equal to 1.490857555 and -1.490857555.

Subproblem 1

t + 1.5625 = 1.490857555 Simplifying t + 1.5625 = 1.490857555 Reorder the terms: 1.5625 + t = 1.490857555 Solving 1.5625 + t = 1.490857555 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.5625' to each side of the equation. 1.5625 + -1.5625 + t = 1.490857555 + -1.5625 Combine like terms: 1.5625 + -1.5625 = 0.0000 0.0000 + t = 1.490857555 + -1.5625 t = 1.490857555 + -1.5625 Combine like terms: 1.490857555 + -1.5625 = -0.071642445 t = -0.071642445 Simplifying t = -0.071642445

Subproblem 2

t + 1.5625 = -1.490857555 Simplifying t + 1.5625 = -1.490857555 Reorder the terms: 1.5625 + t = -1.490857555 Solving 1.5625 + t = -1.490857555 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.5625' to each side of the equation. 1.5625 + -1.5625 + t = -1.490857555 + -1.5625 Combine like terms: 1.5625 + -1.5625 = 0.0000 0.0000 + t = -1.490857555 + -1.5625 t = -1.490857555 + -1.5625 Combine like terms: -1.490857555 + -1.5625 = -3.053357555 t = -3.053357555 Simplifying t = -3.053357555

Solution

The solution to the problem is based on the solutions from the subproblems. t = {-0.071642445, -3.053357555}

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