Question

subtract
(1)4xy from 3ab
(2)a(b-5) from b(5-a)
(3). (a-b) from (a+b)

Answer 1

Step-by-step explanation:

1) 3ab-4xy

2) b(5-a)-a(b-5)

=5b-ab-ab+5a

= 5a-2ab-5b

3) (a+b)-(a-b)

=a+b-a+b

=2b