Sorry if this doesn't help
This is my work from a while ago
I think it is the second one if I'm correct which probably I'm am wrong so don't take my word but if you want to
The answer is x=K/b + 2/b.
Answer:
-3ab, -9x^2 -13x
Step-by-step explanation:
45a^4b^3 - 90a^3b/ 15a^2b
-45ab^2/15a^2b
-3ab
13) (x-7x^2) - (2x^2+14x)
-9x^2 -13x