Tính: (2x + 3)^2; (3x + 2y)^2; (x + 3y)^2; (5x + 1)^2; (5x + 2y)^2

tính
(2x+3)^2
(3x+2y)^2
(x+3y)^2
(5x+1)^2
(5x+2y)^2
(1+5y)2
(3x-2y)^2
(4-3a)^2
(5a-4b)^2
(4-3a)^2
(a+2)^3
(x+1)^3
(a+1)^3
(2x+3y)^3
(a-1)^3
(x-3)^3
(x-5)^3
(2x-3y)^3
(2x^2-3y)^3
(5a-3b)(5a+3b)
(3x+1(3x-1)
(5x-20(5x^2+2)
(2a+1/2)(2a-1/2)