-4(4t^2-121)=0

Solution for -4(4t^2-121)=0 equation:

Simplifying
-4(4t2 + -121) = 0

Reorder the terms:
-4(-121 + 4t2) = 0
(-121 * -4 + 4t2 * -4) = 0
(484 + -16t2) = 0

Solving
484 + -16t2 = 0

Solving for variable 't'.

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

Add '-484' to each side of the equation.
484 + -484 + -16t2 = 0 + -484

Combine like terms: 484 + -484 = 0
0 + -16t2 = 0 + -484
-16t2 = 0 + -484

Combine like terms: 0 + -484 = -484
-16t2 = -484

Divide each side by '-16'.
t2 = 30.25

Simplifying
t2 = 30.25

Take the square root of each side:
t = {-5.5, 5.5}