SOLUTION: xy + y + 2x + 2 Factor the following four-term polynomials by grouping.

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Question 67153This question is from textbook introducctory Algebra
: xy + y + 2x + 2
Factor the following four-term polynomials by grouping. This question is from textbook introducctory Algebra

Answer by 303795(602) About Me  (Show Source):
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xy+%2B+y+%2B+2x+%2B+2
Take a common factor from the first two terms of y and a second common factor from the last two terms of 2.
xy+%2B+y+%2B+2x+%2B+2=y%28x%2B1%29%2B2%28x%2B1%29
Take a common factor of (x+1) from each term to get
%28x%2B1%29%28y%2B2%29