Question

(2x+3y)^2= (3a-2b)^2= (4u-3t)^2= (ab+2)^2= (1-xz)^2=

Answer 1

1) =4x^2+12xy+9y^2
2) =9a^2-12ab+4b^2
3) =16u^2-24ut+9t^2
4) =a^2b^2+4ab+4
5) =1-2xz+x^2*z^2