2929292922929921919101020293949
(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
Answer:
hi its C
Step-by-step explanation:
this question can be solved by thales law

hope this help
Y =mx +b
m= slope = -3/5
b=y=3
so y = -3/5x + 3