関連ワード:  class 8th factorisation ex 12.2    class 8 factorisation ex 12.2    class 8 factorisation ex 12.2 solutions    class 8 factorisation exercise 12.2 question number 2    class 8 factorisation exercise 12.2 question number 4    class 8 factorisation exercise 12.2 question number 1    class 8 factorisation exercise 12.2 question number 3    class 8 factorisation exercise 12.2 question number 5    class 8 factorization ex 12.2    class 8th maths factorisation ex 12.2