19.5t^2-117t+189.5=0

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Solution for 19.5t^2-117t+189.5=0 equation:


Simplifying
19.5t2 + -117t + 189.5 = 0

Reorder the terms:
189.5 + -117t + 19.5t2 = 0

Solving
189.5 + -117t + 19.5t2 = 0

Solving for variable 't'.

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

Divide each side by '19.5'.
9.717948718 + -6t + t2 = 0

Move the constant term to the right:

Add '-9.717948718' to each side of the equation.
9.717948718 + -6t + -9.717948718 + t2 = 0 + -9.717948718

Reorder the terms:
9.717948718 + -9.717948718 + -6t + t2 = 0 + -9.717948718

Combine like terms: 9.717948718 + -9.717948718 = 0.000000000
0.000000000 + -6t + t2 = 0 + -9.717948718
-6t + t2 = 0 + -9.717948718

Combine like terms: 0 + -9.717948718 = -9.717948718
-6t + t2 = -9.717948718

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 = -9.717948718 + 9

Reorder the terms:
9 + -6t + t2 = -9.717948718 + 9

Combine like terms: -9.717948718 + 9 = -0.717948718
9 + -6t + t2 = -0.717948718

Factor a perfect square on the left side:
(t + -3)(t + -3) = -0.717948718

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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