HELP DUE IN 10 MINS! Find the scale factor. Solve for x.

Scale Factor=??

x=??

Step-by-step explanation:

Given:

Corresponding sides are:

Corresponding sides have same ratio:

The scale factor is:

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