i need to expand (x+5)^6
iv got x^6+6(x)^5+15(x)^4+20(x)+15(x)+6(x)+5 Iv got that but i know iv missed out some powers as im not sure where there ment to go...Could someone help please?
It's long, but if you haven't been taught the fancier techniques there's nothing wrong with a little "elbow grease." Multiply it two terms at a time. Here's some markers for you so you can check your work: