Expand (x+y)³ ??????
Favorites|Homepage
Subscriptions | sitemap
HOME > > Expand (x+y)³ ??????

Expand (x+y)³ ??????

[From: ] [author: ] [Date: 12-05-14] [Hit: ]
......
step by step please ...

(x+y)(x+y)(x+y)

im a grade 9, please show steps

-
(x+y)^3
= (x+y)(x+y)(x+y)
= (x+y) (x^2+xy+xy+y^2)
= (x+y) (x^2+2xy+y^2)
= x^3+2x^2y+xy^2 +yx^2+2xy^2+y^3
= x^3+3x^2y+3xy^2+y^3
1
keywords: sup,Expand,Expand (x+y)³ ??????
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .