Respuesta :

Answer:

3x^2 -13x +7

Step-by-step explanation:

6x^2 -5x +3 - (3x^2 +8x -4)

Distribute the minus sign

6x^2 -5x +3 - 3x^2 -8x +4

6x^2  - 3x^2 -8x-5x +3 +4

3x^2 -13x +7