0=-16t^2+64+80

Solution for 0=-16t^2+64+80 equation:

Simplifying
0 = -16t2 + 64 + 80

Reorder the terms:
0 = 64 + 80 + -16t2

Combine like terms: 64 + 80 = 144
0 = 144 + -16t2

Solving
0 = 144 + -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 = 144 + -16t2 + 16t2
Remove the zero:
16t2 = 144 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
16t2 = 144 + 0
16t2 = 144

Divide each side by '16'.
t2 = 9

Simplifying
t2 = 9

Take the square root of each side:
t = {-3, 3}