What does the model represent

100 block 2 tens block 1 tenth in black 1 single white block 3 single bin black

-x^3 + 2x^2 - 3x + 2
x^2 + x - 2
-x^2 - x + 2
-x^2 + x -2

The given model represents the equation "-x^3 + 2x^2 - 3x + 2".