0=-15t^2+44t-24

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Solution for 0=-15t^2+44t-24 equation:


Simplifying
0 = -15t2 + 44t + -24

Reorder the terms:
0 = -24 + 44t + -15t2

Solving
0 = -24 + 44t + -15t2

Solving for variable 't'.

Combine like terms: 0 + 24 = 24
24 + -44t + 15t2 = -24 + 44t + -15t2 + 24 + -44t + 15t2

Reorder the terms:
24 + -44t + 15t2 = -24 + 24 + 44t + -44t + -15t2 + 15t2

Combine like terms: -24 + 24 = 0
24 + -44t + 15t2 = 0 + 44t + -44t + -15t2 + 15t2
24 + -44t + 15t2 = 44t + -44t + -15t2 + 15t2

Combine like terms: 44t + -44t = 0
24 + -44t + 15t2 = 0 + -15t2 + 15t2
24 + -44t + 15t2 = -15t2 + 15t2

Combine like terms: -15t2 + 15t2 = 0
24 + -44t + 15t2 = 0

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

Divide each side by '15'.
1.6 + -2.933333333t + t2 = 0

Move the constant term to the right:

Add '-1.6' to each side of the equation.
1.6 + -2.933333333t + -1.6 + t2 = 0 + -1.6

Reorder the terms:
1.6 + -1.6 + -2.933333333t + t2 = 0 + -1.6

Combine like terms: 1.6 + -1.6 = 0.0
0.0 + -2.933333333t + t2 = 0 + -1.6
-2.933333333t + t2 = 0 + -1.6

Combine like terms: 0 + -1.6 = -1.6
-2.933333333t + t2 = -1.6

The t term is -2.933333333t.  Take half its coefficient (-1.466666667).
Square it (2.151111112) and add it to both sides.

Add '2.151111112' to each side of the equation.
-2.933333333t + 2.151111112 + t2 = -1.6 + 2.151111112

Reorder the terms:
2.151111112 + -2.933333333t + t2 = -1.6 + 2.151111112

Combine like terms: -1.6 + 2.151111112 = 0.551111112
2.151111112 + -2.933333333t + t2 = 0.551111112

Factor a perfect square on the left side:
(t + -1.466666667)(t + -1.466666667) = 0.551111112

Calculate the square root of the right side: 0.742368582

Break this problem into two subproblems by setting 
(t + -1.466666667) equal to 0.742368582 and -0.742368582.

Subproblem 1

t + -1.466666667 = 0.742368582 Simplifying t + -1.466666667 = 0.742368582 Reorder the terms: -1.466666667 + t = 0.742368582 Solving -1.466666667 + t = 0.742368582 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.466666667' to each side of the equation. -1.466666667 + 1.466666667 + t = 0.742368582 + 1.466666667 Combine like terms: -1.466666667 + 1.466666667 = 0.000000000 0.000000000 + t = 0.742368582 + 1.466666667 t = 0.742368582 + 1.466666667 Combine like terms: 0.742368582 + 1.466666667 = 2.209035249 t = 2.209035249 Simplifying t = 2.209035249

Subproblem 2

t + -1.466666667 = -0.742368582 Simplifying t + -1.466666667 = -0.742368582 Reorder the terms: -1.466666667 + t = -0.742368582 Solving -1.466666667 + t = -0.742368582 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.466666667' to each side of the equation. -1.466666667 + 1.466666667 + t = -0.742368582 + 1.466666667 Combine like terms: -1.466666667 + 1.466666667 = 0.000000000 0.000000000 + t = -0.742368582 + 1.466666667 t = -0.742368582 + 1.466666667 Combine like terms: -0.742368582 + 1.466666667 = 0.724298085 t = 0.724298085 Simplifying t = 0.724298085

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.209035249, 0.724298085}

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