(11a^3 - 2a^2)^2
(m^3 + m^7)^2
(am - 2m)^2
4b^4 - 12b^5 + 9b^6
9a^10 - 12a^9 + 4a^8
a^2 + 10a + 25
x^2 + 8x + 16
121a^6 - 44a^5 + 4a^4
(3x - 5)^2
(m^4 - 2m^6)^2
(2b^2 - 3b^3)^2
(3a^5 - 2a^4)^2
81x^2 - 36x +4
m^6 + 2m^10 + m^14
(a + 5)^2
(x+4)^2
a^2 m^2 - 4am^2 + 4m^2
(9x - 2)^2
m^8 - 4m^10 + 4m^12
9x^2 - 30x +25
