400=16t^2

Solution for 400=16t^2 equation:

Simplifying
400 = 16t2

Solving
400 = 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.
400 + -16t2 = 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
400 + -16t2 = 0

Add '-400' to each side of the equation.
400 + -400 + -16t2 = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -16t2 = 0 + -400
-16t2 = 0 + -400

Combine like terms: 0 + -400 = -400
-16t2 = -400

Divide each side by '-16'.
t2 = 25

Simplifying
t2 = 25

Take the square root of each side:
t = {-5, 5}