7x^2
63/9 = 7, x^4/x^2 = x^2
I think the greatest possible starting number would be 1,214,449. If it was any higher, like 1,214,450, then the number would round up to 1,214,500, and you don't want that.
Hopefully this helps! Let me know if you have any more questions.
Answer:
sdf
Step-by-step explanation:
sdfgh
