# 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).