factorise : b^2-52b+640
Answers
Answered by
0
Answer:
(b-32)(b-20)
Step-by-step explanation:
b^2-52b+640
=b^2-32b-20b+640
=b(b-32)-20(b-32)
Taking (b-32) common,
(b-32)(b-20)
Similar questions