Question

factorize.
challenge for toppers​

Answer 1

1 - 2x + y - x²y + x²

= x² + 1 - 2x + y - x²y

= ( x - 1 )² - y ( x² - 1 )

= ( x - 1 )² - y ( x + 1 ) ( x - 1 )

= (x - 1 ) ( ( x - 1 ) - y ( x + 1 )) Ans...... :))