(m + 3)^2
(x + 5y)^2
x^2 - 10x + 25
(7 + 2a)^2
49 - 14a + a^2
(6a - b)^2
36a^2 - 12ab + b^2
36a^2 - 12a + 1
49 + 28a + 4a^2
x^2 + 10xy + 25y^2
(m^2 - 3)^2
m^2 + 6m + 9
(6a + 1)^2
m^4 - 6m^2 + 9
(x - 5)^2
(7 - a)^2
