0=(16t^2-72-81)

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Solution for 0=(16t^2-72-81) equation: 


Simplifying
0 = (16t2 + -72 + -81)

Reorder the terms:
0 = (-72 + -81 + 16t2)

Combine like terms: -72 + -81 = -153
0 = (-153 + 16t2)

Remove parenthesis around (-153 + 16t2)
0 = -153 + 16t2

Solving
0 = -153 + 16t2

Solving for variable 't'.

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

Add '-16t2' to each side of the equation.
0 + -16t2 = -153 + 16t2 + -16t2
Remove the zero:
-16t2 = -153 + 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
-16t2 = -153 + 0
-16t2 = -153

Divide each side by '-16'.
t2 = 9.5625

Simplifying
t2 = 9.5625

Take the square root of each side:
t = {-3.092329219, 3.092329219}

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