fill in the blank (pa help Po)
![Fill In The Blank Pa Help Po class=](https://ph-static.z-dn.net/files/d1b/b1518d54e2751be23e37a5a126a86c35.jpg)
Step-by-step explanation:
1) x²+10x+25
2) y²-16y+64
3) 8z³+84z²+294z+343
4) 27z³+108z²+144z+64
5) a²+2ay+y²