Evaluate 2+(9^2-4)

$2 + (9^{2} - 4)$

Step 1

Remove parentheses.

$2 + 9^{2} - 4$

Step 2

Raise $9$ to the power of $2$ .

$2 + 81 - 4$

Step 3

Add $2$ and $81$ .

$83 - 4$

Step 4

Subtract $4$ from $83$ .

$79$

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