Respuesta :

Answer:

7x +1

Step-by-step explanation:

If A to C is 12x + 3, And A to B is 5x - 2 then you subtract the polynomials from each other!

12x- 5x = 7x

3 -2 = 1

So the answer is 7x +1!

(If you still need help just tell me in the comments)