Question

11*(60+ a) 21*(38-b)

Answer 1

660+11a
-------------
798-21b

Answer 2

11*(60+а)=660+11а
21*(38-в)=798-21в

Answer 3

To simplify the expression 11*(60+ a) - 21*(38-b), we can distribute the multiplication:

11*(60+ a) - 21*(38-b) = 1160 + 11a - 2138 + 21b

Now, let's perform the calculations:

= 660 + 11a - 798 + 21b = -138 + 11a + 21b

So, the simplified expression is -138 + 11a + 21b.