Question

subtract the sum of 3-4xy + X Y and x-6xy + 7y from 57-4xy + 6y​

Answer 1

Step-by-step explanation:

first calculate the sum

3-4xy+xy+x-6xy+7y= x+7y-10xy+xy+3

= x+7y-9xy+3

now subtract the above from 57-4xy+6y

57-4xy+6y-(x+7y-9xy+3)

=57-4xy+6y-x-7y+9xy-3

= 5xy-x-y+ 54