Simplify -8i*6i

$- 8 i \cdot 6 i$

Multiply $- 8 i (6 i)$ .

Multiply $6$ by $- 8$ .

$- 48 i i$

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

$- 48 (i^{1} i)$

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

$- 48 (i^{1} i^{1})$

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

$- 48 i^{1 + 1}$

Add $1$ and $1$ .

$- 48 i^{2}$

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

$- 48 \cdot - 1$

Multiply $- 48$ by $- 1$ .

$48$