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x² +2xy - 4²
= x² + 2xy +y² - y²- 4²
= (x+y)² - (y² + 4²)___(answer)
Hope this is ur required answer.
= x² + 2xy +y² - y²- 4²
= (x+y)² - (y² + 4²)___(answer)
Hope this is ur required answer.
Assassin12:
umm where did 'y' disappear
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