Answer:
Option C
Step-by-step explanation:
6x² +5x + 1
6x² + 3x + 2x + 1
3x(2x + 1) + 1(2x + 1)
(3x + 1)(2x + 1)
(x-20)(x+3)
33
3*4*2.75=33
16
3 x 4 = 12
4 x 4 = 16