-5t^2+105=0

Solution for -5t^2+105=0 equation:

Simplifying
-5t2 + 105 = 0

Reorder the terms:
105 + -5t2 = 0

Solving
105 + -5t2 = 0

Solving for variable 't'.

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

Add '-105' to each side of the equation.
105 + -105 + -5t2 = 0 + -105

Combine like terms: 105 + -105 = 0
0 + -5t2 = 0 + -105
-5t2 = 0 + -105

Combine like terms: 0 + -105 = -105
-5t2 = -105

Divide each side by '-5'.
t2 = 21

Simplifying
t2 = 21

Take the square root of each side:
t = {-4.582575695, 4.582575695}