t^2=12-4

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Solution for t^2=12-4 equation: 


Simplifying
t2 = 12 + -4

Combine like terms: 12 + -4 = 8
t2 = 8

Solving
t2 = 8

Solving for variable 't'.

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

Simplifying
t2 = 8

Take the square root of each side:
t = {-2.828427125, 2.828427125}

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