8th Class Mathematics Factorisation Question Bank Factorisation

  • question_answer
    One of the factors of \[4(x+y)\,(3a-b)+6(x+y)\,(2b-3a)\] is

    A)  \[(2b-3a)\]                  

    B)  \[(3a-b)\]        

    C)  \[(4a-3b)\]                  

    D)  \[(-3a+4b)\]   

    Correct Answer: D

    Solution :

    We have, \[4(x+y)(3a-b)+6(x+y)(2b-3a)\] \[=2(x+y)[2(3a-b)+3(2b-3a)]\] \[=2(x+y)[6a-2b+6b-9a]\] \[=2(x+y)[-3a+4b]\]


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