(x + 1)(3x + 5)
(3x + 1)(x + 5)
(r + 1)(2r + 5)
(x + 5)(3x + 1)
(4x + 5)(4x + 5)
(x + 1)(3x + 5)
5(2r + 5)
5
5(x2 + x + 1)
(x + 1)(2x + 5)
(x + 5)(3x + 1)
(4x + 5)(4x + 5)
(r + 1)(2r + 5)
(3x + 1)(x + 5)
x2 + 10y + 25 doesn't factor neatly. If that was x2 + 10x + 25, it would factor to (x + 5)(x + 5) or (X + 5)2
2p + 11p + 5 = 13p + 5 which does not factor. If the expression had been 2p2 + 11p + 5 then this can be factored, 2p2 + 11p + 5 = (2p + 1)(p + 5)
(x + 5)(x + 1)