Respuesta :

Answer: −2x2+x−10

Explanation:

x2−x−3−1−3x2+2x−6

= x2+−x+−3+−1+−3x2+2x+−6

Combine Like Terms:

= x2+−x+−3+−1+−3x2+2x+−6

= (x2+−3x2)+(−x+2x)+(−3+−1+−6)

= −2x2+x+−10

Answer:

i think its 157

Explanation: