Factorise : 2a? - a? - 1

Dear Student,

Your question is not clear and appears to be incomplete. Recheck your question or please be a little specific about the name of the chapter/textbook to which you are referring here so that we can provide you with some meaningful help.

Look forward to hearing from you again!

Regards!

  • 0
Your question seems to be incomplete 
can u be specific about the ? sign 
  • 1
What are you looking for?