-t^2+4=0

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


Simplifying
-1t2 + 4 = 0

Reorder the terms:
4 + -1t2 = 0

Solving
4 + -1t2 = 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 + -1t2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1t2 = 0 + -4
-1t2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1t2 = -4

Divide each side by '-1'.
t2 = 4

Simplifying
t2 = 4

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

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