2t^2-6+-20=0

Solution for 2t^2-6+-20=0 equation:

Simplifying
2t2 + -6 + -20 = 0

Reorder the terms:
-6 + -20 + 2t2 = 0

Combine like terms: -6 + -20 = -26
-26 + 2t2 = 0

Solving
-26 + 2t2 = 0

Solving for variable 't'.

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

Add '26' to each side of the equation.
-26 + 26 + 2t2 = 0 + 26

Combine like terms: -26 + 26 = 0
0 + 2t2 = 0 + 26
2t2 = 0 + 26

Combine like terms: 0 + 26 = 26
2t2 = 26

Divide each side by '2'.
t2 = 13

Simplifying
t2 = 13

Take the square root of each side:
t = {-3.605551275, 3.605551275}