84=16t^2

Solution for 84=16t^2 equation:

Simplifying
84 = 16t2

Solving
84 = 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.
84 + -16t2 = 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
84 + -16t2 = 0

Add '-84' to each side of the equation.
84 + -84 + -16t2 = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -16t2 = 0 + -84
-16t2 = 0 + -84

Combine like terms: 0 + -84 = -84
-16t2 = -84

Divide each side by '-16'.
t2 = 5.25

Simplifying
t2 = 5.25

Take the square root of each side:
t = {-2.291287847, 2.291287847}