4. (a - b)2 + (a - b)
Attachments:

Answers
Answered by
50
★ Explanation -
- Here , we simply took (a-b) common.
Answered by
19
Step-by-step explanation:
Plz refer to the attachment......
Hope it helps u.....
Attachments:

Similar questions
Math,
4 months ago
Math,
4 months ago
Chemistry,
4 months ago
Geography,
8 months ago
India Languages,
8 months ago