t^2-4=0

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Solution for t^2-4=0 equation: 


Simplifying
t2 + -4 = 0

Reorder the terms:
-4 + t2 = 0

Solving
-4 + t2 = 0

Solving for variable 't'.

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

Add '4' to each side of the equation.
-4 + 4 + t2 = 0 + 4

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

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

Simplifying
t2 = 4

Take the square root of each side:
t = {-2, 2}

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