5(t^2)-24.25*(t)+17=0

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Solution for 5(t^2)-24.25*(t)+17=0 equation:


Simplifying
5(t2) + -24.25(t) + 17 = 0

Reorder the terms:
17 + -24.25t + 5t2 = 0

Solving
17 + -24.25t + 5t2 = 0

Solving for variable 't'.

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

Divide each side by '5'.
3.4 + -4.85t + t2 = 0

Move the constant term to the right:

Add '-3.4' to each side of the equation.
3.4 + -4.85t + -3.4 + t2 = 0 + -3.4

Reorder the terms:
3.4 + -3.4 + -4.85t + t2 = 0 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + -4.85t + t2 = 0 + -3.4
-4.85t + t2 = 0 + -3.4

Combine like terms: 0 + -3.4 = -3.4
-4.85t + t2 = -3.4

The t term is -4.85t.  Take half its coefficient (-2.425).
Square it (5.880625) and add it to both sides.

Add '5.880625' to each side of the equation.
-4.85t + 5.880625 + t2 = -3.4 + 5.880625

Reorder the terms:
5.880625 + -4.85t + t2 = -3.4 + 5.880625

Combine like terms: -3.4 + 5.880625 = 2.480625
5.880625 + -4.85t + t2 = 2.480625

Factor a perfect square on the left side:
(t + -2.425)(t + -2.425) = 2.480625

Calculate the square root of the right side: 1.575

Break this problem into two subproblems by setting 
(t + -2.425) equal to 1.575 and -1.575.

Subproblem 1

t + -2.425 = 1.575 Simplifying t + -2.425 = 1.575 Reorder the terms: -2.425 + t = 1.575 Solving -2.425 + t = 1.575 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.425' to each side of the equation. -2.425 + 2.425 + t = 1.575 + 2.425 Combine like terms: -2.425 + 2.425 = 0.000 0.000 + t = 1.575 + 2.425 t = 1.575 + 2.425 Combine like terms: 1.575 + 2.425 = 4 t = 4 Simplifying t = 4

Subproblem 2

t + -2.425 = -1.575 Simplifying t + -2.425 = -1.575 Reorder the terms: -2.425 + t = -1.575 Solving -2.425 + t = -1.575 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.425' to each side of the equation. -2.425 + 2.425 + t = -1.575 + 2.425 Combine like terms: -2.425 + 2.425 = 0.000 0.000 + t = -1.575 + 2.425 t = -1.575 + 2.425 Combine like terms: -1.575 + 2.425 = 0.85 t = 0.85 Simplifying t = 0.85

Solution

The solution to the problem is based on the solutions from the subproblems. t = {4, 0.85}

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