Question

factorise- 1 – 2y + y^2

Answer 1

Answer:

Hi Friend ✋✋

x² - 1 - 2y - y²

= x² - y² - 2y - 1

= x² - ( y² + 2y + 1 )

= x² - ( y + 1 )²

= [ x + ( y + 1 ) ] × [ x - ( y + 1 ) ]

= [ x + y + 1 ] × [ x - y - 1 ]

Hope it helps

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