What is the value of the expression? 3.2(2.3)−4.8 enter your answer in the box as a decimal.

2.56 is the value of the expression

2.56 is the value of the expression

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