Answer:
C.
Step-by-step explanation:
Hope this will help:)
Answer:
D
Step-by-step explanation:
im just guessing sorry if its wronh
893
Filler so I can post this
6x^5 - 11x^4 - 10x³ - 54x³ + 99x² + 90x
6x^5 - 11x^4 + (-10x³ - 54x³) + 99x² + 90x collect like terms
6x^5 - 11x^4 - 64x³ + 99x² + 90x simplify
hope this helps, God bless!