A pair of integers whose difference is - 50 is​

-45&-5 or -49&-1

Step-by-step explanation:

-45+(-5)

= -50

-49-1

= -50

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option