Answer:
question 2
1/x^15
Step-by-step explanation:
Remove parenthesis ; -p^3 -p + 6p^2 + 6p - 7
group like terms : -p^3 + 6p^2 - p +6p - 7
add similar elements : -p^3 + 6p^2 + 5p - 7 (answer)