-15t^2+60t-44=0

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Solution for -15t^2+60t-44=0 equation:


Simplifying
-15t2 + 60t + -44 = 0

Reorder the terms:
-44 + 60t + -15t2 = 0

Solving
-44 + 60t + -15t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
-15 the coefficient of the squared term: 

Divide each side by '-15'.
2.933333333 + -4t + t2 = 0

Move the constant term to the right:

Add '-2.933333333' to each side of the equation.
2.933333333 + -4t + -2.933333333 + t2 = 0 + -2.933333333

Reorder the terms:
2.933333333 + -2.933333333 + -4t + t2 = 0 + -2.933333333

Combine like terms: 2.933333333 + -2.933333333 = 0.000000000
0.000000000 + -4t + t2 = 0 + -2.933333333
-4t + t2 = 0 + -2.933333333

Combine like terms: 0 + -2.933333333 = -2.933333333
-4t + t2 = -2.933333333

The t term is -4t.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4t + 4 + t2 = -2.933333333 + 4

Reorder the terms:
4 + -4t + t2 = -2.933333333 + 4

Combine like terms: -2.933333333 + 4 = 1.066666667
4 + -4t + t2 = 1.066666667

Factor a perfect square on the left side:
(t + -2)(t + -2) = 1.066666667

Calculate the square root of the right side: 1.032795559

Break this problem into two subproblems by setting 
(t + -2) equal to 1.032795559 and -1.032795559.

Subproblem 1

t + -2 = 1.032795559 Simplifying t + -2 = 1.032795559 Reorder the terms: -2 + t = 1.032795559 Solving -2 + t = 1.032795559 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = 1.032795559 + 2 Combine like terms: -2 + 2 = 0 0 + t = 1.032795559 + 2 t = 1.032795559 + 2 Combine like terms: 1.032795559 + 2 = 3.032795559 t = 3.032795559 Simplifying t = 3.032795559

Subproblem 2

t + -2 = -1.032795559 Simplifying t + -2 = -1.032795559 Reorder the terms: -2 + t = -1.032795559 Solving -2 + t = -1.032795559 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = -1.032795559 + 2 Combine like terms: -2 + 2 = 0 0 + t = -1.032795559 + 2 t = -1.032795559 + 2 Combine like terms: -1.032795559 + 2 = 0.967204441 t = 0.967204441 Simplifying t = 0.967204441

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.032795559, 0.967204441}

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