Answer:
hey there!!!
Step-by-step explanation:
i think the best option is acute and isosceles from my view
hope it helps you...
Answer:
ok ok ok i gotchuu
Step-by-step explanation:
Answer: I think b
Step-by-step explanation:
Answer: what are the answer choices ?
Step-by-step explanation:
Answer:

Step-by-step explanation:
Do FOIL, first outside inside last
3x × 3x = 9x^2
3x × -7 = -21x
7 × 3x = 21x
7 × -7 = -49

So it would just be 9x^2 - 49