2t^2-9-4=0

Solution for 2t^2-9-4=0 equation:

Simplifying
2t2 + -9 + -4 = 0

Reorder the terms:
-9 + -4 + 2t2 = 0

Combine like terms: -9 + -4 = -13
-13 + 2t2 = 0

Solving
-13 + 2t2 = 0

Solving for variable 't'.

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

Add '13' to each side of the equation.
-13 + 13 + 2t2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 2t2 = 0 + 13
2t2 = 0 + 13

Combine like terms: 0 + 13 = 13
2t2 = 13

Divide each side by '2'.
t2 = 6.5

Simplifying
t2 = 6.5

Take the square root of each side:
t = {-2.549509757, 2.549509757}