64.8+18t+4.9t^2=0

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Solution for 64.8+18t+4.9t^2=0 equation:


Simplifying
64.8 + 18t + 4.9t2 = 0

Solving
64.8 + 18t + 4.9t2 = 0

Solving for variable 't'.

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

Divide each side by '4.9'.
13.2244898 + 3.673469388t + t2 = 0

Move the constant term to the right:

Add '-13.2244898' to each side of the equation.
13.2244898 + 3.673469388t + -13.2244898 + t2 = 0 + -13.2244898

Reorder the terms:
13.2244898 + -13.2244898 + 3.673469388t + t2 = 0 + -13.2244898

Combine like terms: 13.2244898 + -13.2244898 = 0.0000000
0.0000000 + 3.673469388t + t2 = 0 + -13.2244898
3.673469388t + t2 = 0 + -13.2244898

Combine like terms: 0 + -13.2244898 = -13.2244898
3.673469388t + t2 = -13.2244898

The t term is 3.673469388t.  Take half its coefficient (1.836734694).
Square it (3.373594336) and add it to both sides.

Add '3.373594336' to each side of the equation.
3.673469388t + 3.373594336 + t2 = -13.2244898 + 3.373594336

Reorder the terms:
3.373594336 + 3.673469388t + t2 = -13.2244898 + 3.373594336

Combine like terms: -13.2244898 + 3.373594336 = -9.850895464
3.373594336 + 3.673469388t + t2 = -9.850895464

Factor a perfect square on the left side:
(t + 1.836734694)(t + 1.836734694) = -9.850895464

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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