Evaluate 1/2(4)^2-4

$\frac{1}{2} {(4)}^{2} - 4$

Step 1

Simplify each term.

Raise $4$ to the power of $2$ .

$\frac{1}{2} \cdot 16 - 4$

Cancel the common factor of $2$ .

Factor $2$ out of $16$ .

$\frac{1}{2} \cdot (2 (8)) - 4$

Cancel the common factor.

$\frac{1}{2} \cdot (2 \cdot 8) - 4$

Rewrite the expression.

$8 - 4$

$8 - 4$

$8 - 4$

Step 2

Subtract $4$ from $8$ .

$4$

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