5t^2+10-15=0

Solution for 5t^2+10-15=0 equation:

Simplifying
5t2 + 10 + -15 = 0

Reorder the terms:
10 + -15 + 5t2 = 0

Combine like terms: 10 + -15 = -5
-5 + 5t2 = 0

Solving
-5 + 5t2 = 0

Solving for variable 't'.

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

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

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

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

Divide each side by '5'.
t2 = 1

Simplifying
t2 = 1

Take the square root of each side:
t = {-1, 1}