Write the Word or Phrase That Best Completes Each Statement $9 x(2 x-9)=0$

Essay

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
-A student was trying to solve the problem $9 x(2 x-9)=0$ . The student knew that he or she should set $2 x-9=0$ but was confused about whether or not he or she should set $9 x=0$ , or $9=0$ and $x=0$ . How would you advise this student?