139k views
0 votes
0 = x2 + 6x + 9 factor by grouping explain

User Vauge
by
8.6k points

1 Answer

3 votes
To factorise by grouping would require grouping the terms into the form x^2 +2a+ a^2= (x-a)^2. In which case, the a term would be 3, as 2a=6, a=3. Hence the factorised form would be (x-3)^2=0 which means that x-3=0 and hence x=3.
User Edx
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories