Simplify (6-8i)^2

${(6 - 8 i)}^{2}$

Step 1

Rewrite ${(6 - 8 i)}^{2}$ as $(6 - 8 i) (6 - 8 i)$ .

$(6 - 8 i) (6 - 8 i)$

Step 2

Expand $(6 - 8 i) (6 - 8 i)$ using the FOIL Method.

Apply the distributive property.

$6 (6 - 8 i) - 8 i (6 - 8 i)$

Apply the distributive property.

$6 \cdot 6 + 6 (- 8 i) - 8 i (6 - 8 i)$

Apply the distributive property.

$6 \cdot 6 + 6 (- 8 i) - 8 i \cdot 6 - 8 i (- 8 i)$

Step 3

Simplify and combine like terms.

Simplify each term.

Multiply $6$ by $6$ .

$36 + 6 (- 8 i) - 8 i \cdot 6 - 8 i (- 8 i)$

Multiply $- 8$ by $6$ .

$36 - 48 i - 8 i \cdot 6 - 8 i (- 8 i)$

Multiply $6$ by $- 8$ .

$36 - 48 i - 48 i - 8 i (- 8 i)$

Multiply $- 8 i (- 8 i)$ .

Multiply $- 8$ by $- 8$ .

$36 - 48 i - 48 i + 64 i i$

Raise $i$ to the power of $1$ .

$36 - 48 i - 48 i + 64 (i^{1} i)$

Raise $i$ to the power of $1$ .

$36 - 48 i - 48 i + 64 (i^{1} i^{1})$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$36 - 48 i - 48 i + 64 i^{1 + 1}$

Add $1$ and $1$ .

$36 - 48 i - 48 i + 64 i^{2}$

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

$36 - 48 i - 48 i + 64 \cdot - 1$

Multiply $64$ by $- 1$ .

$36 - 48 i - 48 i - 64$

Subtract $64$ from $36$ .

$- 28 - 48 i - 48 i$

Subtract $48 i$ from $- 48 i$ .

$- 28 - 96 i$