# binomials

• November 3rd 2008, 04:14 PM
abner80
binomials
(x+y)^2-(9xy-6x^2)=

how do you work this problem?
• November 3rd 2008, 04:17 PM
Expand the brackets and collect like terms. If you cannot remember the formula for $(x+y)^2$ then multiply out (x+y)(x+y).
• November 4th 2008, 05:36 PM
abner80
More help
Okay so I get x^2 + xy + yx +y^2 is this right and what can I do with the second set of terms?