Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[{\imath }^{3}\times 12,136\]
Isolate \({\imath }^{2}\).
\[{\imath }^{2}\imath \times 12,136\]
Use Square Rule: \({i}^{2}=-1\).
\[-1\times \imath \times 12,136\]
Simplify \(-1\times \imath \times 12\) to \(-12\imath \).
\[-12\imath ,136\]
-12*IM,136
