Question

72 x square minus x minus 1 factor​

Answer 1

Answer:

(9x+1) and (8x-1)

Step-by-step explanation:

72xsquare -x-1

by mid term spliting

72xsq -(9-8)x -1

=72xsq -9x+8x -1

taking common:-

9x(8x-1) +1(8x-1)

hence the factors are:-

(9x+1) and (8x-1)