Question

1. Subtract 4xy from 15xy and to its difference, add-11xy ​

Answer 1

5 x y - 2 x y - 11  x y + 8 x y

= (5 - 2  - 11 + 8 ) x y

= (13  - 13) xy

= 0 * xy

= 0

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Formula is  :    a  x + b x = (a  + b) x 

         this is the distributive property in algebra

Answer 2

Answer:

$15xy - 4xy - 11xy \\ 11xy - 11xy \\ 0 \\ hope \: it \: may \: help \: u$