Ushtrimi 1

Thjeshtoni. a $3x \times 4x$ b $5x \times x$ c $2y \times y \times 3y$ d $2a \times 3a \times 4a$ e $2b \times 3b \times b \times 4b \times b$ f $4p \times p \times 3p \times p \times p$