Answer:
5x^2−10x−2
Step-by-step explanation:
I hope this is what you are looking for I just added (5x^2 – 9) + (-10x + 7)
37/40 37 divide it by 25 and it comes out 37 and if you divide 25 into 1000 in comes out to be 40
it is none since there is no relation