-900=-16t^2

Solution for -900=-16t^2 equation:

Simplifying
-900 = -16t2

Solving
-900 = -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.
-900 + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-900 + 16t2 = 0

Add '900' to each side of the equation.
-900 + 900 + 16t2 = 0 + 900

Combine like terms: -900 + 900 = 0
0 + 16t2 = 0 + 900
16t2 = 0 + 900

Combine like terms: 0 + 900 = 900
16t2 = 900

Divide each side by '16'.
t2 = 56.25

Simplifying
t2 = 56.25

Take the square root of each side:
t = {-7.5, 7.5}