Answer:
– 15q6 + 18q5 - 13q4 - 15q3 + q2 + 9
Step-by-step explanation:
(18q5 – 17q3 + 9 – 15q6) – (–2q3 – q2 + 13q4)
(18q5 – 17q3 + 9 – 15q6) +2q3 + q2 - 13q4
18q5 – 17q3 + 9 – 15q6 +2q3 + q2 - 13q4
18q5 - 15q3 – 15q6 + q2 - 13q4 + 9
– 15q6 + 18q5 - 13q4 - 15q3 + q2 + 9
