-2.7t^2+13.5t+14=0

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Solution for -2.7t^2+13.5t+14=0 equation:


Simplifying
-2.7t2 + 13.5t + 14 = 0

Reorder the terms:
14 + 13.5t + -2.7t2 = 0

Solving
14 + 13.5t + -2.7t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
-2.7 the coefficient of the squared term: 

Divide each side by '-2.7'.
-5.185185185 + -5t + t2 = 0

Move the constant term to the right:

Add '5.185185185' to each side of the equation.
-5.185185185 + -5t + 5.185185185 + t2 = 0 + 5.185185185

Reorder the terms:
-5.185185185 + 5.185185185 + -5t + t2 = 0 + 5.185185185

Combine like terms: -5.185185185 + 5.185185185 = 0.000000000
0.000000000 + -5t + t2 = 0 + 5.185185185
-5t + t2 = 0 + 5.185185185

Combine like terms: 0 + 5.185185185 = 5.185185185
-5t + t2 = 5.185185185

The t term is -5t.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5t + 6.25 + t2 = 5.185185185 + 6.25

Reorder the terms:
6.25 + -5t + t2 = 5.185185185 + 6.25

Combine like terms: 5.185185185 + 6.25 = 11.435185185
6.25 + -5t + t2 = 11.435185185

Factor a perfect square on the left side:
(t + -2.5)(t + -2.5) = 11.435185185

Calculate the square root of the right side: 3.381595065

Break this problem into two subproblems by setting 
(t + -2.5) equal to 3.381595065 and -3.381595065.

Subproblem 1

t + -2.5 = 3.381595065 Simplifying t + -2.5 = 3.381595065 Reorder the terms: -2.5 + t = 3.381595065 Solving -2.5 + t = 3.381595065 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + t = 3.381595065 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + t = 3.381595065 + 2.5 t = 3.381595065 + 2.5 Combine like terms: 3.381595065 + 2.5 = 5.881595065 t = 5.881595065 Simplifying t = 5.881595065

Subproblem 2

t + -2.5 = -3.381595065 Simplifying t + -2.5 = -3.381595065 Reorder the terms: -2.5 + t = -3.381595065 Solving -2.5 + t = -3.381595065 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + t = -3.381595065 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + t = -3.381595065 + 2.5 t = -3.381595065 + 2.5 Combine like terms: -3.381595065 + 2.5 = -0.881595065 t = -0.881595065 Simplifying t = -0.881595065

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.881595065, -0.881595065}

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