Subtract the polynomials.
(4x^2y^2 - 10xy + 4y) - (6x^2y^2 + 6xy - 9y + 6x)
To subtract the polynomials, we subtract the corresponding terms with like terms.
First, let's subtract the terms with x^2y^2:
4x^2y^2 - 6x^2y^2 = -2x^2y^2
Next, let's subtract the terms with xy:
-10xy - 6xy = -16xy
Now, let's subtract the terms with y:
4y - 9y = -5y
Lastly, let's subtract the terms with x:
0x - 6x = -6x
Putting it all together, the subtracted polynomial is:
-2x^2y^2 - 16xy - 5y - 6x