60=.81t^2

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Solution for 60=.81t^2 equation: 


Simplifying
60 = 0.81t2

Solving
60 = 0.81t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-0.81t2' to each side of the equation.
60 + -0.81t2 = 0.81t2 + -0.81t2

Combine like terms: 0.81t2 + -0.81t2 = 0.00
60 + -0.81t2 = 0.00

Add '-60' to each side of the equation.
60 + -60 + -0.81t2 = 0.00 + -60

Combine like terms: 60 + -60 = 0
0 + -0.81t2 = 0.00 + -60
-0.81t2 = 0.00 + -60

Combine like terms: 0.00 + -60 = -60
-0.81t2 = -60

Divide each side by '-0.81'.
t2 = 74.07407407

Simplifying
t2 = 74.07407407

Take the square root of each side:
t = {-8.606629658, 8.606629658}

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