-16t^2+45=0

Solution for -16t^2+45=0 equation:

Simplifying
-16t2 + 45 = 0

Reorder the terms:
45 + -16t2 = 0

Solving
45 + -16t2 = 0

Solving for variable 't'.

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

Add '-45' to each side of the equation.
45 + -45 + -16t2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -16t2 = 0 + -45
-16t2 = 0 + -45

Combine like terms: 0 + -45 = -45
-16t2 = -45

Divide each side by '-16'.
t2 = 2.8125

Simplifying
t2 = 2.8125

Take the square root of each side:
t = {-1.677050983, 1.677050983}