Simplify (8i)^2

${(8 i)}^{2}$

Step 1

Apply the product rule to $8 i$ .

$8^{2} i^{2}$

Step 2

Raise $8$ to the power of $2$ .

$64 i^{2}$

Step 3

Rewrite $i^{2}$ as $- 1$ .

$64 \cdot - 1$

Step 4

Multiply $64$ by $- 1$ .

$- 64$

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