9t^2-95t+200=0

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Solution for 9t^2-95t+200=0 equation:


Simplifying
9t2 + -95t + 200 = 0

Reorder the terms:
200 + -95t + 9t2 = 0

Solving
200 + -95t + 9t2 = 0

Solving for variable 't'.

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

Divide each side by '9'.
22.22222222 + -10.55555556t + t2 = 0

Move the constant term to the right:

Add '-22.22222222' to each side of the equation.
22.22222222 + -10.55555556t + -22.22222222 + t2 = 0 + -22.22222222

Reorder the terms:
22.22222222 + -22.22222222 + -10.55555556t + t2 = 0 + -22.22222222

Combine like terms: 22.22222222 + -22.22222222 = 0.00000000
0.00000000 + -10.55555556t + t2 = 0 + -22.22222222
-10.55555556t + t2 = 0 + -22.22222222

Combine like terms: 0 + -22.22222222 = -22.22222222
-10.55555556t + t2 = -22.22222222

The t term is -10.55555556t.  Take half its coefficient (-5.27777778).
Square it (27.85493830) and add it to both sides.

Add '27.85493830' to each side of the equation.
-10.55555556t + 27.85493830 + t2 = -22.22222222 + 27.85493830

Reorder the terms:
27.85493830 + -10.55555556t + t2 = -22.22222222 + 27.85493830

Combine like terms: -22.22222222 + 27.85493830 = 5.63271608
27.85493830 + -10.55555556t + t2 = 5.63271608

Factor a perfect square on the left side:
(t + -5.27777778)(t + -5.27777778) = 5.63271608

Calculate the square root of the right side: 2.37333438

Break this problem into two subproblems by setting 
(t + -5.27777778) equal to 2.37333438 and -2.37333438.

Subproblem 1

t + -5.27777778 = 2.37333438 Simplifying t + -5.27777778 = 2.37333438 Reorder the terms: -5.27777778 + t = 2.37333438 Solving -5.27777778 + t = 2.37333438 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5.27777778' to each side of the equation. -5.27777778 + 5.27777778 + t = 2.37333438 + 5.27777778 Combine like terms: -5.27777778 + 5.27777778 = 0.00000000 0.00000000 + t = 2.37333438 + 5.27777778 t = 2.37333438 + 5.27777778 Combine like terms: 2.37333438 + 5.27777778 = 7.65111216 t = 7.65111216 Simplifying t = 7.65111216

Subproblem 2

t + -5.27777778 = -2.37333438 Simplifying t + -5.27777778 = -2.37333438 Reorder the terms: -5.27777778 + t = -2.37333438 Solving -5.27777778 + t = -2.37333438 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5.27777778' to each side of the equation. -5.27777778 + 5.27777778 + t = -2.37333438 + 5.27777778 Combine like terms: -5.27777778 + 5.27777778 = 0.00000000 0.00000000 + t = -2.37333438 + 5.27777778 t = -2.37333438 + 5.27777778 Combine like terms: -2.37333438 + 5.27777778 = 2.9044434 t = 2.9044434 Simplifying t = 2.9044434

Solution

The solution to the problem is based on the solutions from the subproblems. t = {7.65111216, 2.9044434}

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