800=.5(8.8)t^2

Solution for 800=.5(8.8)t^2 equation:

Simplifying
800 = 0.5(8.8) * t2

Multiply 0.5 * 8.8
800 = 4.4t2

Solving
800 = 4.4t2

Solving for variable 't'.

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

Add '-4.4t2' to each side of the equation.
800 + -4.4t2 = 4.4t2 + -4.4t2

Combine like terms: 4.4t2 + -4.4t2 = 0.0
800 + -4.4t2 = 0.0

Add '-800' to each side of the equation.
800 + -800 + -4.4t2 = 0.0 + -800

Combine like terms: 800 + -800 = 0
0 + -4.4t2 = 0.0 + -800
-4.4t2 = 0.0 + -800

Combine like terms: 0.0 + -800 = -800
-4.4t2 = -800

Divide each side by '-4.4'.
t2 = 181.8181818

Simplifying
t2 = 181.8181818

Take the square root of each side:
t = {-13.483997249, 13.483997249}