Ispent  3/4  of my money and then i spent  1/5  of what was left.  what part of all my money do i have left?  

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

1,589.63 in.^3

step-by-step explanation:

i hope this you : d