関連ワード:  class 8th chapter factorisation 12.2    class 8 chapter factorisation 12.2 exercise    class 8th chapter factorisation exercise 12.2    class 8th maths chapter factorisation 12.2    class 8th chapter 12 factorisation 12.2    class 8 chapter factorisation exercise 12.2 solutions    class 8 chapter 12 factorisation 12.2 exercise    class 8 chapter factorisation exercise 12.2 question number 4    class 8 chapter factorisation exercise 12.2 question number 2    class 8 chapter factorisation exercise 12.2 question number 3