t^2-225=

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Solution for t^2-225= equation: 


Simplifying
t2 + -225 = 0

Reorder the terms:
-225 + t2 = 0

Solving
-225 + t2 = 0

Solving for variable 't'.

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

Add '225' to each side of the equation.
-225 + 225 + t2 = 0 + 225

Combine like terms: -225 + 225 = 0
0 + t2 = 0 + 225
t2 = 0 + 225

Combine like terms: 0 + 225 = 225
t2 = 225

Simplifying
t2 = 225

Take the square root of each side:
t = {-15, 15}

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