12. (x + y)(a + b) + (x - y)(a + b)
Factorise
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
2x(a+b)
Step-by-step explanation:
=ax+ay+bx+by+ax-ay+bx-by
=ax+ax+bx+bx
=2ax+2bx
=2x(a+b)