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Factoring x, we get:


But notice that -y-1 can also be -(y+1). Therefore:


Using techniques from factoring, this can be converted to:

I got the x-1 from the factors outside the quantity (y+1). The equation can also be seen as x(y+1)-1(y+1).
1 5 1
If you have trouble understanding my answer, don't hesitate to message me.
The common factor is 1. Answer?
1(xy +x -y)
0 0 0
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