15t^2-15+-30=0

Solution for 15t^2-15+-30=0 equation:

Simplifying
15t2 + -15 + -30 = 0

Reorder the terms:
-15 + -30 + 15t2 = 0

Combine like terms: -15 + -30 = -45
-45 + 15t2 = 0

Solving
-45 + 15t2 = 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 + 15t2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 15t2 = 0 + 45
15t2 = 0 + 45

Combine like terms: 0 + 45 = 45
15t2 = 45

Divide each side by '15'.
t2 = 3

Simplifying
t2 = 3

Take the square root of each side:
t = {-1.732050808, 1.732050808}