18t^2+6t+7=0

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Solution for 18t^2+6t+7=0 equation:


Simplifying
18t2 + 6t + 7 = 0

Reorder the terms:
7 + 6t + 18t2 = 0

Solving
7 + 6t + 18t2 = 0

Solving for variable 't'.

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

Divide each side by '18'.
0.3888888889 + 0.3333333333t + t2 = 0

Move the constant term to the right:

Add '-0.3888888889' to each side of the equation.
0.3888888889 + 0.3333333333t + -0.3888888889 + t2 = 0 + -0.3888888889

Reorder the terms:
0.3888888889 + -0.3888888889 + 0.3333333333t + t2 = 0 + -0.3888888889

Combine like terms: 0.3888888889 + -0.3888888889 = 0.0000000000
0.0000000000 + 0.3333333333t + t2 = 0 + -0.3888888889
0.3333333333t + t2 = 0 + -0.3888888889

Combine like terms: 0 + -0.3888888889 = -0.3888888889
0.3333333333t + t2 = -0.3888888889

The t term is 0.3333333333t.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333t + 0.02777777779 + t2 = -0.3888888889 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333t + t2 = -0.3888888889 + 0.02777777779

Combine like terms: -0.3888888889 + 0.02777777779 = -0.36111111111
0.02777777779 + 0.3333333333t + t2 = -0.36111111111

Factor a perfect square on the left side:
(t + 0.1666666667)(t + 0.1666666667) = -0.36111111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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