How can operator reduction and flowgraph transformation used

How can operator reduction and flowgraph transformation used to reduce power dissipation?

Solution

https://books.google.co.in/books?id=ZoKl-usYnFMC&pg=PA139&lpg=PA139&dq=How+can+operator+reduction+and+flowgraph+transformation+used+to+reduce+power+dissipation?&source=bl&ots=YlZQ88tE64&sig=9eK7xfhtG4aGebADap7WXkl98wQ&hl=en&sa=X&ved=0ahUKEwjzntP_huLMAhXjKKYKHRARBCIQ6AEIGTAA