-43=.5(-9.81)t^2

Solution for -43=.5(-9.81)t^2 equation:

Simplifying
-43 = 0.5(-9.81) * t2

Multiply 0.5 * -9.81
-43 = -4.905t2

Solving
-43 = -4.905t2

Solving for variable 't'.

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

Add '4.905t2' to each side of the equation.
-43 + 4.905t2 = -4.905t2 + 4.905t2

Combine like terms: -4.905t2 + 4.905t2 = 0.000
-43 + 4.905t2 = 0.000

Add '43' to each side of the equation.
-43 + 43 + 4.905t2 = 0.000 + 43

Combine like terms: -43 + 43 = 0
0 + 4.905t2 = 0.000 + 43
4.905t2 = 0.000 + 43

Combine like terms: 0.000 + 43 = 43
4.905t2 = 43

Divide each side by '4.905'.
t2 = 8.76656473

Simplifying
t2 = 8.76656473

Take the square root of each side:
t = {-2.960838518, 2.960838518}