Can somebody please help me solve this and these instructions !

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

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

unless if u could do my questions, if not i wouldn't want to

c) yes, because of asa or aas