$$\(x^{2}-y^{2}+x+y=\)$$

A.
\((x+y-1)(x-y)\)
B.
\((x+y)(x-y-1)\)
C.
\((x+y+1)(x-y)\)
D.
\((x+y)(x-y+1)\)
Mathematics
Competition
Math League
Exam No:2016 First Round Grades 10-12 Year:2016 Question No:2

Answer:

D

Knowledge points:

G10-12 - Algebra - Polynomial Factoring (Advanced Techniques)

Solution:

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