R/2=(r-4)/7 how do i solve this?

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?

Me because i don't understand how to do it.: )