Respuesta :

leeandrews2
(3 -13x -7x2)-(5x2 +12x -10)   multiply the entire second term by negative one
3 - 13x -7x^2 -5x^2 -12x +10   combine like terms
- 12x^2 - 25x +13
RaquelLWhite

Answer:

B.  -12x2 - 25x + 13

Step-by-step explanation:

(3 -13x-7x2)-(5x2+12x-10)

-12x2-25x+13