16x - 16y + 2xy - x² - y²
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Answer:
Given, 16−x
2
−2xy−y
2
=4
2
−[x
2
+2xy+y
2
]
=4
2
−(x+y)
2
By using a
2
−b
2
=(a+b)(a−b)
∴4
2
−(x+y)
2
=(4+x+y)(4−x−y)
I hope it was helpful
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