640=16t^2

Solution for 640=16t^2 equation:

Simplifying
640 = 16t2

Solving
640 = 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.
640 + -16t2 = 16t2 + -16t2

Combine like terms: 16t2 + -16t2 = 0
640 + -16t2 = 0

Add '-640' to each side of the equation.
640 + -640 + -16t2 = 0 + -640

Combine like terms: 640 + -640 = 0
0 + -16t2 = 0 + -640
-16t2 = 0 + -640

Combine like terms: 0 + -640 = -640
-16t2 = -640

Divide each side by '-16'.
t2 = 40

Simplifying
t2 = 40

Take the square root of each side:
t = {-6.32455532, 6.32455532}