Factor:

56w^2+17w-3

56W^2 - 17W -3.

A * C = 56 * - 3 = -168 = 7 * - 24,
56W^2 +7W-24W - 3,
(56W^2 + 7W) + (-24W - 3),
7W(8W + 1) -3(8W + 1),
(8W + 1) (7W - 3)