Question

$$(X\cup Y)\cup Z$$

Answer

$$Xc*pY*pZ*u^2*c$$

Solution


Remove parentheses.
\[XcupYcupZ\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[Xc{u}^{2}pYcpZ\]
Regroup terms.
\[XcpYpZ{u}^{2}c\]