Add the polynomial expressions 5z−2z2−4z+5

5
z
−
2
z
2
−
4
z
+
5
and 6z2+3−7z
6
z
2
+
3
−
7
z
.(1 point)
Responses

4z2−z+8
4 z squared minus z plus 8

11z2+z−2
11 z squared plus z minus 2

4z2−6z+8
4 z squared minus 6 z plus 8

9z2−11z+8