Respuesta :

Answer:

8x

2

+6x−6

this is the correct answer

the answer is B

(3x²+2x-5)-(5x²-4x+1)

= 3x²+2x-5-5x²+4x-1

= 3x²-5x²+2x+4x-5-1

= -2x²+6x-6