(2+y)ˇ2 = 4+4y +yˇ2
(6-c)ˇ2 = 36 -12c + cˇ2
(2c+3)ˇ2 = 4cˇ2 +12c + 9
(7m-3n)ˇ2 = 49mˇm -42mn + 9nˇ2
(8+cˇ3)ˇ2 = 64 + 16cˇ3 + cˇ6
(p+a)ˇ2 = pˇ2 + 2pa + aˇ2
(x-12)ˇ2 = xˇ2 - 24x + 144
(6y-1)ˇ2 = 36yˇ2 -12y +1
(-3x+a)ˇ2 = 9xˇ2 -6ax +aˇ2
(xˇ2 - yˇ2)ˇ2 = xˇ4 - 2xˇ2yˇ2 + yˇ4