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SAI International School
CLASS – VIII, SUB: MATH
LESSON NOTES-10
CHAPTER-14: FACTORISATION
SUBTOPIC:
Rules to find the errors
1.Rules to Find The Errors
1. Coefficient 1 of a term is usually not written. But while adding like terms, we should
include it in the sum.
2. When we are going to substitute a negative value, we should remember to make use of
brackets.

