(3+m)^2=9+6m+m^2
(A-7c)^2=a^2-14ac+49c^2
(2y-x)^2=4y^2-4xy+x^2
(3x+4)^2=9x^2+24x+16
(3x-2y)^2=9x^2-12xy+4y^2
(3+m)^2=9+6m+m^2
(A-7c)^2=a^2-14ac+49c^2
(2y-x)^2=4y^2-4xy+x^2
(3x+4)^2=9x^2+24x+16
(3x-2y)^2=9x^2-12xy+4y^2