Answer:
Explanation:
p^2 - 5p + 4 - (4p^2 - 9p + 11) = ..distribute the negative thru the parenthesis
p^2 - 5p + 4 - 4p^2 + 9p - 11 = ... combine like terms
-3p^2 + 4p - 7 <===
6.5m questions
8.6m answers