100v2 - 220v + 121 = (10v - 11)2
(a + x^2)(b + y^2)
No
6xyz(3x + 2y + z)
(a + 2 - b) (a + 2 + b)
4(x+y)^2
(3q + 2p)(9q + 7p)
(6x + t)(3x + t)
2(5c + 2d)(5c + 2d)
9x^(2) - 6xy + y^(2) - 81 9x^(2) - 81 + y^(2) - 6xy 9(x^(2) - 9)+ y(y - 6x) 9(x-3)(x + 3) + y(y - 6x) 9x^(2)
35
(a+b)(3b+1)
(3x - y+ 2)(3x + y + 2)