128=-16t^2+64+80

Solution for 128=-16t^2+64+80 equation:

Simplifying
128 = -16t2 + 64 + 80

Reorder the terms:
128 = 64 + 80 + -16t2

Combine like terms: 64 + 80 = 144
128 = 144 + -16t2

Solving
128 = 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.
128 + 16t2 = 144 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
128 + 16t2 = 144 + 0
128 + 16t2 = 144

Add '-128' to each side of the equation.
128 + -128 + 16t2 = 144 + -128

Combine like terms: 128 + -128 = 0
0 + 16t2 = 144 + -128
16t2 = 144 + -128

Combine like terms: 144 + -128 = 16
16t2 = 16

Divide each side by '16'.
t2 = 1

Simplifying
t2 = 1

Take the square root of each side:
t = {-1, 1}