Find (1 + y) - 2x (1 + y) + X (1-y)

Find (1 + y) - 2x (1 + y) + X (1-y)


(1+y)-2x(1+y)+x(1-y)
=1+y-2x-2xy+x-xy
=1+y-3x-3xy
=(1+y)(1-3x)



Factorization: X2 (y2-1) + 2x (y2-1) + (y2-1)


x2（y2-1）+2x（y2-1）+（y2-1），=（y2-1）（x2+2x+1），=（y2-1）（x+1）2，=（y+1）（y-1）（x+1）2．



2x-x ^ 2 + y ^ 2-1, factorization


2x-x^2+y^2-1
=y^2-(x-1)^2
=(y+x-1)(y-x+1)

Elden Ring Premiere

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