Respuesta :

11y-5
1st expression
88y-40
factorise
8(11y-5)
2nd expression
5y-11 (cannot be factorised)
3rd expression
19y-3(cannot be factorised)
4th expression
22y-10
factorise
2(11y-5)
so the answers are  5y-11 and 19y-3

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