factorise 7 x y + 7 Y + 4 x + 4 by regrouping method
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Answer:
Step-by-step explanation:
Given that,
7xy + 7y + 4x + 4
= 7xy + 4x + 7y + 4 ( regrouping )
= x ( 7y + 4 ) + 1 ( 7y + 4 )
= ( x + 1 ) ( 7y + 4 ) is the answer.
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