algebra
posted by
brandon on
.
[4b8]+[1b^2]+2b^3; b=2
please can someone explain

algebra 
Steve,
if all you have to do is evaluate the expression when b = 2, then the value is
[4b8]+[1b^2]+2b^3
[4(2)8]+[1(2)^2]+2(2)^3
[88]+[14]+2(8)
0  5  16
21

algebra 
brandon,
complicated but I think I understand thanks so much