A [tex]Binomial [/tex] is defined as: [tex]like[/tex] [tex]the [/tex] [tex]expression[/tex] [tex]that's [/tex] [tex]a [/tex] [tex]sum (addition) [/tex] [tex]or [/tex] [tex]even[/tex] [tex]the [/tex] [tex]difference(subtraction)[/tex] [tex]with[/tex] [tex]the[/tex] [tex]number 2 [/tex][tex]terms [/tex]