Question

ples answer my question it is very important. ​

Answer 1

Answer:

-2z²-3z-5 should be required

this the the right answer

Answer 2

$we \: \: should \: \: add \: \: - 2 {z}^{2} - 3z - 5 \: \: \\ on \: \: 2 {z}^{2} + 3z + 5 \: \: to \: \: make \\ \: \: it \: equal \: \: to \: \: 0$

hope it will help u ✨☺️