Step-by-step explanation:
Given
6x² + 5x + 1
= 6x² + ( 2 + 3)x + 1
= 6x² + 2x + 3x + 1
= 2x ( 3x + 1 ) + 1 ( 3x + 1)
= ( 3x + 1) ( 2x +1)
Hope it will help :)