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प्रश्न
Factorise.
15xy − 6x + 5y − 2
बेरीज
उत्तर
The given expression is 15xy − 6x + 5y − 2
= 3 × 5 × x × y − 3 × 2 × x + 5 × y − 2
= 3x (5y − 2) + 1 (5y − 2)
= (5y − 2) (3x + 1)
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