20t^2-5=0

Solution for 20t^2-5=0 equation:

Simplifying
20t2 + -5 = 0

Reorder the terms:
-5 + 20t2 = 0

Solving
-5 + 20t2 = 0

Solving for variable 't'.

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

Add '5' to each side of the equation.
-5 + 5 + 20t2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 20t2 = 0 + 5
20t2 = 0 + 5

Combine like terms: 0 + 5 = 5
20t2 = 5

Divide each side by '20'.
t2 = 0.25

Simplifying
t2 = 0.25

Take the square root of each side:
t = {-0.5, 0.5}