4t^2-72=0

Solution for 4t^2-72=0 equation:

Simplifying
4t2 + -72 = 0

Reorder the terms:
-72 + 4t2 = 0

Solving
-72 + 4t2 = 0

Solving for variable 't'.

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

Add '72' to each side of the equation.
-72 + 72 + 4t2 = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 4t2 = 0 + 72
4t2 = 0 + 72

Combine like terms: 0 + 72 = 72
4t2 = 72

Divide each side by '4'.
t2 = 18

Simplifying
t2 = 18

Take the square root of each side:
t = {-4.242640687, 4.242640687}