Answer:
10x² - 7x + 1
= 10x² – 5x – 2x + 1
= 5x(2x – 1) – 1(2x – 1)
= (5x – 1)(2x – 1)
if you want to find x then
(5x – 1)(2x – 1) = 0
(5x – 1) =0 or (2x – 1) = 0
x = 1/5 or 1/2