16t^2-37t-20=0

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Solution for 16t^2-37t-20=0 equation:


Simplifying
16t2 + -37t + -20 = 0

Reorder the terms:
-20 + -37t + 16t2 = 0

Solving
-20 + -37t + 16t2 = 0

Solving for variable 't'.

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

Divide each side by '16'.
-1.25 + -2.3125t + t2 = 0

Move the constant term to the right:

Add '1.25' to each side of the equation.
-1.25 + -2.3125t + 1.25 + t2 = 0 + 1.25

Reorder the terms:
-1.25 + 1.25 + -2.3125t + t2 = 0 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
0.00 + -2.3125t + t2 = 0 + 1.25
-2.3125t + t2 = 0 + 1.25

Combine like terms: 0 + 1.25 = 1.25
-2.3125t + t2 = 1.25

The t term is -2.3125t.  Take half its coefficient (-1.15625).
Square it (1.336914063) and add it to both sides.

Add '1.336914063' to each side of the equation.
-2.3125t + 1.336914063 + t2 = 1.25 + 1.336914063

Reorder the terms:
1.336914063 + -2.3125t + t2 = 1.25 + 1.336914063

Combine like terms: 1.25 + 1.336914063 = 2.586914063
1.336914063 + -2.3125t + t2 = 2.586914063

Factor a perfect square on the left side:
(t + -1.15625)(t + -1.15625) = 2.586914063

Calculate the square root of the right side: 1.608388654

Break this problem into two subproblems by setting 
(t + -1.15625) equal to 1.608388654 and -1.608388654.

Subproblem 1

t + -1.15625 = 1.608388654 Simplifying t + -1.15625 = 1.608388654 Reorder the terms: -1.15625 + t = 1.608388654 Solving -1.15625 + t = 1.608388654 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.15625' to each side of the equation. -1.15625 + 1.15625 + t = 1.608388654 + 1.15625 Combine like terms: -1.15625 + 1.15625 = 0.00000 0.00000 + t = 1.608388654 + 1.15625 t = 1.608388654 + 1.15625 Combine like terms: 1.608388654 + 1.15625 = 2.764638654 t = 2.764638654 Simplifying t = 2.764638654

Subproblem 2

t + -1.15625 = -1.608388654 Simplifying t + -1.15625 = -1.608388654 Reorder the terms: -1.15625 + t = -1.608388654 Solving -1.15625 + t = -1.608388654 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.15625' to each side of the equation. -1.15625 + 1.15625 + t = -1.608388654 + 1.15625 Combine like terms: -1.15625 + 1.15625 = 0.00000 0.00000 + t = -1.608388654 + 1.15625 t = -1.608388654 + 1.15625 Combine like terms: -1.608388654 + 1.15625 = -0.452138654 t = -0.452138654 Simplifying t = -0.452138654

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.764638654, -0.452138654}

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