SOLUTION: Please help me solve this question: {{{n^2-4n-3n^2+7n+5n^2}}} my teacher does not explain anything and we are all having trouble; even when one of us asks for an explanation

Question 108853This question is from textbook Structure and Method
: Please help me solve this question:

my teacher does not explain anything and we are all having trouble; even when one of us asks for an explanation, we do not get one that any of us can understand; your help is very appreciated. This question is from textbook Structure and Method

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
N^2-4N-3N^2+7N+5N^2 NOW GROUP ALL LIKE TERMS & COMBINE THEM
(N^2-3N^2+5N^2)+(-4N+7N)
(7N^2-3N^2)+(+3N)
4N^2+3N
N(4N+3)
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