= x² - y² = (x+4) [x 2 + xy + y 2 ]
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Answered by
0
Answer:
=x
3
+y
3
Step-by-step explanation:
(x+y)(x
2
−xy+y
2
)
=x(x
2
−xy+y
2
)+y(x
2
−xy+y
2
)
=x
3
−x
2
y+xy
2
+x
2
y
−
xy
2
+y
3
=x
3
+y
3
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