Evaluate 12^2+(-12)^2-12^2

$12^{2} + {(- 12)}^{2} - 12^{2}$

Simplify each term.

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Raise $12$ to the power of $2$ .

$144 + {(- 12)}^{2} - 12^{2}$

Raise $- 12$ to the power of $2$ .

$144 + 144 - 12^{2}$

Raise $12$ to the power of $2$ .

$144 + 144 - 1 \cdot 144$

Multiply $- 1$ by $144$ .

$144 + 144 - 144$

Simplify by adding and subtracting.

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Add $144$ and $144$ .

$288 - 144$

Subtract $144$ from $288$ .

$144$

Evaluate 12^2+(-12)^2-12^2

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