1.

2a(5x – 7y) + b(5x – 7y) factorise

Answer»

(5x-7y)(2a+B)Step-by-step explanation:when u SEE common in the expression LIKE in this (5x-7y) is common so take it out ant the TERMS which u are seeing 2a and +b take these TWO togetherhope u understand



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