t^2-4+2=0

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

Simplifying
t2 + -4 + 2 = 0

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

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

Solving
-2 + t2 = 0

Solving for variable 't'.

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

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

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

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

Simplifying
t2 = 2

Take the square root of each side:
t = {-1.414213562, 1.414213562}