-4.9t^2+28.7t+4.2=4.2

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Solution for -4.9t^2+28.7t+4.2=4.2 equation: 


Simplifying
-4.9t2 + 28.7t + 4.2 = 4.2

Reorder the terms:
4.2 + 28.7t + -4.9t2 = 4.2

Add '-4.2' to each side of the equation.
4.2 + 28.7t + -4.2 + -4.9t2 = 4.2 + -4.2

Reorder the terms:
4.2 + -4.2 + 28.7t + -4.9t2 = 4.2 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 28.7t + -4.9t2 = 4.2 + -4.2
28.7t + -4.9t2 = 4.2 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
28.7t + -4.9t2 = 0.0

Solving
28.7t + -4.9t2 = 0.0

Solving for variable 't'.

The solution to this equation could not be determined.

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