Answer:
The answer is 1st point.
Explanation:
By following the steps that is shown in the picture :
56x² - 8x - 7x + 1
1.Group pairs of terms with common factor,
(56x² - 8x) + (-7x + 1)
2.Factor the GCF from each group,
8x(7x - 1) - 1(7x - 1)
3.Use distributive property,
(8x - 1)(7x - 1)