SOLUTION: 1.(x+y+1)²
2.(x+y-1)²
3.(x-y-1)²
4.(-x-y-1)²
question:
what is the direct of switching the + sign to -sign on the product?
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Question 630736: 1.(x+y+1)²
2.(x+y-1)²
3.(x-y-1)²
4.(-x-y-1)²
question:
what is the direct of switching the + sign to -sign on the product?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1.(x+y+1)²
2.(x+y-1)²
3.(x-y-1)²
4.(-x-y-1)²
question:
what is the direct of switching the + sign to -sign on the product?
----------
1. = x^2 + 2xy + y^2 + 2x + 2y + 1
-------------
Multiply the others, compare them
#4 = #1
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