(ab+3)(ab−3)
=(ab+3)(ab+−3)
=(ab)(ab)+(ab)(−3)+(3)(ab)+(3)(−3)
=a^2b^2−3ab+3ab−9
=a^2b^2−9
I can’t see it it’s blurry to me
Answer:
c
Step-by-step explanation:
1 is for circle
2 is for triangle
3 is for surface area
4 is for volume
2 would be the base and 3 will be the square