• Leads to Non-deterministic CFG:

  

Note:

Making a grammar deterministic does not guarantee that it becomes unambiguous.

Remove Left Factoring

![](<https://prod-files-secure.s3.us-west-2.amazonaws.com/425f7945-443a-47f8-a7f5-36bada2532f1/523d829f-2426-4908-b741-dbd88fc7553a/image.png>)

![](<https://prod-files-secure.s3.us-west-2.amazonaws.com/425f7945-443a-47f8-a7f5-36bada2532f1/6d381e83-5903-4cb1-847c-e60398618e36/image.png>)