Solution:
The Quadratic polynomial in variable x is :
→ 6 x² + x -7
Breaking the middle term i.e term containing variable x
= 6 x² + 7 x - 6 x -7
= x ( 6 x +7) - 1 (6 x +7)
= (6 x + 7)(x-1)→→→Factor of 6 x² + x -7
