c2 + 4c + 4 =
(c + 2) (c + 2)
= (c + 2)2
(a + x^2)(b + y^2)
6xyz(3x + 2y + z)
(a + 2 - b) (a + 2 + b)
4(x+y)^2
(3q + 2p)(9q + 7p)
(b + 2c)(b - c)
(a + x^2)(b + y^2)
No
6xyz(3x + 2y + z)
(6x + t)(3x + t)
4(x+y)^2
(a + 2 - b) (a + 2 + b)
(3q + 2p)(9q + 7p)
2(5c + 2d)(5c + 2d)
X2 + X can be factored the following way: X(1+X) Oscar V.
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