15x^2 + x - 10 =
(x+8)(3x+2)
2x^2 + 9x + 14 =
(3x+5) (5x-3)
9x^2 + 37x + 4 =
(2x+7) (x+1)
(3x+2) (5x-3)
14x^2 - 13x - 10 =
3x^2+26x+3=
15x^2 + 16x - 15 =
(x+4) (9x+1)
(7x-10) (2x+1)