use the binomial theorem to expand and simplify the expression.
(a-3b)^5
can someone please explain to me how to use pascal"s triangle? i dont understand how they can just pull a bunch of numbers out of there?
thank you so much for taking you rtime to help me skeeter. but i don't see how you knew to use those numbers? is there anyway you could explain a little more deep. im sorry to ask so much. just don't understand this stuff. when i look at it all i see is a dark forest lol.