hello
to solve this question, we can simply multiply both expressions, simplify and write out the equation.
[tex]\begin{gathered} (-y+4)\times(-y-4) \\ y^2+4y-4y-16 \\ y^2+0-16 \\ (-y+4)(-y-4)=y^2-16 \end{gathered}[/tex]from the calculations above, the answer to the question is y^2 - 16
Answer:
Step-by-step explanation:
the answer to the question is y^2 - 16