3t^2-18t+8=0

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Solution for 3t^2-18t+8=0 equation:


Simplifying
3t2 + -18t + 8 = 0

Reorder the terms:
8 + -18t + 3t2 = 0

Solving
8 + -18t + 3t2 = 0

Solving for variable 't'.

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

Divide each side by '3'.
2.666666667 + -6t + t2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + -6t + -2.666666667 + t2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + -6t + t2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + -6t + t2 = 0 + -2.666666667
-6t + t2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
-6t + t2 = -2.666666667

The t term is -6t.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6t + 9 + t2 = -2.666666667 + 9

Reorder the terms:
9 + -6t + t2 = -2.666666667 + 9

Combine like terms: -2.666666667 + 9 = 6.333333333
9 + -6t + t2 = 6.333333333

Factor a perfect square on the left side:
(t + -3)(t + -3) = 6.333333333

Calculate the square root of the right side: 2.516611478

Break this problem into two subproblems by setting 
(t + -3) equal to 2.516611478 and -2.516611478.

Subproblem 1

t + -3 = 2.516611478 Simplifying t + -3 = 2.516611478 Reorder the terms: -3 + t = 2.516611478 Solving -3 + t = 2.516611478 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = 2.516611478 + 3 Combine like terms: -3 + 3 = 0 0 + t = 2.516611478 + 3 t = 2.516611478 + 3 Combine like terms: 2.516611478 + 3 = 5.516611478 t = 5.516611478 Simplifying t = 5.516611478

Subproblem 2

t + -3 = -2.516611478 Simplifying t + -3 = -2.516611478 Reorder the terms: -3 + t = -2.516611478 Solving -3 + t = -2.516611478 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = -2.516611478 + 3 Combine like terms: -3 + 3 = 0 0 + t = -2.516611478 + 3 t = -2.516611478 + 3 Combine like terms: -2.516611478 + 3 = 0.483388522 t = 0.483388522 Simplifying t = 0.483388522

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.516611478, 0.483388522}

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