Answer:
1) =54v−54
−6(9−9v)
=(−6)(9+−9v)
=(−6)(9)+(−6)(−9v)
=−54+54v
=54v−54
2) =−8b−24
−8(b+3)
=(−8)(b+3)
=(−8)(b)+(−8)(3)
=−8b−24
3) −(3x−9)
=−3x+9
Step-by-step explanation: Hope this help :D
