Need help please? Kailangan na kailangan kona po ito
![Need Help Please Kailangan Na Kailangan Kona Po Ito class=](https://ph-static.z-dn.net/files/d52/44b5fa0b5da4928d98023c9ea7ed17f1.png)
Answer:
Isa lang naman diba pero 2 na sagutan ko
Step-by-step explanation:
a. (x+7)(x-7)
=x²-49
b. (3x+2)²
=9x²+12x+4