95.8k views
1 vote
What's 21a + 28b factorise fully

User Stefcud
by
8.5k points

1 Answer

3 votes
You can factor out a GCF of 7 out of all of the terms. The answer would be 7(3a+4b).
User Valeh Mikayilzadeh
by
8.2k points

Related questions

1 answer
0 votes
66.4k views
asked Mar 21, 2021 14.4k views
Matt Sach asked Mar 21, 2021
by Matt Sach
8.2k points
2 answers
5 votes
14.4k views
asked Oct 18, 2021 6.4k views
Ecognium asked Oct 18, 2021
by Ecognium
7.3k points
2 answers
2 votes
6.4k views