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Factorise the following expression by way of grouping

pm-pn+3qm-3qn please I will mark the best one

Respuesta :

Answer:

Step-by-step explanation:

CHERLYNnotCHERRY

Answer:

The answer is (p+3q)(m-n)

Step by step explanation:

First, you have to take out the like-terms :

[tex]pm - pn + 3qm - 3qn[/tex]

[tex]p(m - n) + 3q(m - n)[/tex]

Next you have to put p and 3q under one bracket :

[tex](p + 3q)(m - n)[/tex]

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