X square + xy + 8 x + 8 y
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Divide in 2 part
x(x+y) +8(x+y)
(x+y) (x+8)=0 suppose
X= - 8
Y=8
x(x+y) +8(x+y)
(x+y) (x+8)=0 suppose
X= - 8
Y=8
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