Explain how you could use a number line to determine the number that is 8 less than 3 what is the number

Answer and explanation:

8 less than 3 is subtracting 8 from 3:

3-8

If we wish to find this using the number line, we would need to find the value given if negative eight and positive three are added. Our answer would likely fall on the negative/left side of the number line since the value 3 has less to give than what is required -8( use the analogy of oranges available and oranges given/required)

3-8= -5

We count from 0 to the left -5

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