39.2=-16t^2+29.4t

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Solution for 39.2=-16t^2+29.4t equation:


Simplifying
39.2 = -16t2 + 29.4t

Reorder the terms:
39.2 = 29.4t + -16t2

Solving
39.2 = 29.4t + -16t2

Solving for variable 't'.

Reorder the terms:
39.2 + -29.4t + 16t2 = 29.4t + -29.4t + -16t2 + 16t2

Combine like terms: 29.4t + -29.4t = 0.0
39.2 + -29.4t + 16t2 = 0.0 + -16t2 + 16t2
39.2 + -29.4t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
39.2 + -29.4t + 16t2 = 0

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

Divide each side by '16'.
2.45 + -1.8375t + t2 = 0

Move the constant term to the right:

Add '-2.45' to each side of the equation.
2.45 + -1.8375t + -2.45 + t2 = 0 + -2.45

Reorder the terms:
2.45 + -2.45 + -1.8375t + t2 = 0 + -2.45

Combine like terms: 2.45 + -2.45 = 0.00
0.00 + -1.8375t + t2 = 0 + -2.45
-1.8375t + t2 = 0 + -2.45

Combine like terms: 0 + -2.45 = -2.45
-1.8375t + t2 = -2.45

The t term is -1.8375t.  Take half its coefficient (-0.91875).
Square it (0.8441015625) and add it to both sides.

Add '0.8441015625' to each side of the equation.
-1.8375t + 0.8441015625 + t2 = -2.45 + 0.8441015625

Reorder the terms:
0.8441015625 + -1.8375t + t2 = -2.45 + 0.8441015625

Combine like terms: -2.45 + 0.8441015625 = -1.6058984375
0.8441015625 + -1.8375t + t2 = -1.6058984375

Factor a perfect square on the left side:
(t + -0.91875)(t + -0.91875) = -1.6058984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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