Let's find the quotient of the first two terms:
[tex]\begin{gathered} \frac{-8x^2y^3}{xy} \\ =-8xy^2 \end{gathered}[/tex]
The product of 4xy and WHAT should give us -8xy^2.
Let's call this WHAT as "A", so we can write:
[tex]4xy(A)=-8xy^2[/tex]
To get this unknow, A, we can see that we have to divide -8xy^2 by 4xy, so
[tex]\begin{gathered} 4xy(A)=-8xy^2 \\ A=\frac{-8xy^2}{4xy} \\ A=-2y \end{gathered}[/tex]
The unknown quantity is "-2y". From the drop-down, it's the
