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3 votes
Factorise pm- pm + 3qm - 3qn

User SharpShade
by
4.8k points

1 Answer

5 votes

Answer:

3q(m-n)

Explanation:

pm - pm + 3qm - 3qn

= 3qm - 3qn (pm-pm cancelled out such as 2x-2x=0)

= 3q(m-n)

User Bjedrzejewski
by
5.6k points