SOLUTION: Factor Completely. y^2(y+1)-4y(y+1)-21(y+1)

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Question 238603: Factor Completely.
y^2(y+1)-4y(y+1)-21(y+1)
Answer by College Student(505) About Me  (Show Source):
You can put this solution on YOUR website!
Steps:
a. factor common multiplier
b. factor the second term
.
Problem:
y%5E2%28y%2B1%29-4y%28y%2B1%29-21%28y%2B1%29
%28y%2B1%29%28y%5E2-4y-21%29
%28y-1%29%28y-7%29%28y%2B3%29
.
Done!