(2a+b)^2=

(-4x-3b)^2=

(-12a^2+7b^3)^2=

(8+z)^2=

(0,9y-0,1x)^2=

(1,2y-4 1/6y)^2=

(7 3/14)^2=

51^2=

(a^3+3b)^2-4ab=

a-4(a^2+b^2)^2=

(6p^2-8q^3)^2+(6p^2-8q^3)^2=