Question

3. Factorise.
(iv) 15 pq+15+9q+25p​

Answer 1

Step-by-step explanation:

(iv) 15pq + 15 + 9q + 25p

Grouping the terms, we have

= (15pq + 25p) + (9q + 15)

= 5p(3q + 5) + 3(3q + 5)

= (3q + 5) (5p + 3)

Hence, the required factors = (3q + 5) (5p + 3)

Answer 2

Answer:

Step-by-step explanation:

(iv) 15pq + 15 +9q + 25p

Grouping the terms, we have

= (15pq + 25p) + (9q+15)

= 5p(3q + 5) + 3(3q + 5)

= (3q + 5) (5p + 3)

Hence, the required factors= (3q + 5) (5p + 3)

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Step-by-step explanation:

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