Resolve into factors
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Answered by
4
Step-by-step explanation:
1 - x² - 2xy - y²
= 1 - (x² +2xy + y²)
= 1² - (x+y)²
= (1 + x + y)(1 - x - y)
Hope it helps!
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Answered by
7
Step-by-step explanation:
:
1 - x² - 2xy - y²
- 1 - (x² +2xy + y²)
- 1² - (x+y)²
- (1 + x + y)(1 - x - y)
Hope it helps
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