गुणनखंड

Question

गुणनखंड कीजिए:
15pq + 15 + 9q + 25p

Answer

15pq + 15 + 9q + 25p = 15 pq + 9q + 25 p + 15
                              = 3q[5p + 3] + 5[5p +3]
                              = (5p + 3)[3q + 5]

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