Solve this :

(ii) 4 (a - 3b)3 - 21p (a -3b)

Hi, 4a-3b3-21pa-3ba-3b is common so take it out =a-3b4a-3b2-21pNow nothing is common so it is final answerAlthough in terms of roots =a-3b2a-3b2-21p2=a-3b2a-3b-21p2a-3b+21pusing x2-y2= x-yx+y

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what do u want whose value u need and by which method also tell which topic's question is this so that i can answer fastly
 
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Sorry
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