0=6t^2-11t+21

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Solution for 0=6t^2-11t+21 equation:


Simplifying
0 = 6t2 + -11t + 21

Reorder the terms:
0 = 21 + -11t + 6t2

Solving
0 = 21 + -11t + 6t2

Solving for variable 't'.

Combine like terms: 0 + -21 = -21
-21 + 11t + -6t2 = 21 + -11t + 6t2 + -21 + 11t + -6t2

Reorder the terms:
-21 + 11t + -6t2 = 21 + -21 + -11t + 11t + 6t2 + -6t2

Combine like terms: 21 + -21 = 0
-21 + 11t + -6t2 = 0 + -11t + 11t + 6t2 + -6t2
-21 + 11t + -6t2 = -11t + 11t + 6t2 + -6t2

Combine like terms: -11t + 11t = 0
-21 + 11t + -6t2 = 0 + 6t2 + -6t2
-21 + 11t + -6t2 = 6t2 + -6t2

Combine like terms: 6t2 + -6t2 = 0
-21 + 11t + -6t2 = 0

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
3.5 + -1.833333333t + t2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -1.833333333t + -3.5 + t2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -1.833333333t + t2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -1.833333333t + t2 = 0 + -3.5
-1.833333333t + t2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-1.833333333t + t2 = -3.5

The t term is -1.833333333t.  Take half its coefficient (-0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
-1.833333333t + 0.8402777775 + t2 = -3.5 + 0.8402777775

Reorder the terms:
0.8402777775 + -1.833333333t + t2 = -3.5 + 0.8402777775

Combine like terms: -3.5 + 0.8402777775 = -2.6597222225
0.8402777775 + -1.833333333t + t2 = -2.6597222225

Factor a perfect square on the left side:
(t + -0.9166666665)(t + -0.9166666665) = -2.6597222225

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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