return ((Product)this).multiply( q );
}
} else if( this instanceof Expression ){
if( x instanceof Complex ){
Product p = new Product( (Expression)this, false );
return p.divide( (Complex)x );
} else if( x instanceof Product ){
Product p = new Product( (Expression)this, false );
return p.divide( (Product)x );
} else if( x instanceof Expression ){
Product p = new Product( (Expression)this, false );