Question

Factorize - (i) 2(xy +zw) – x² - y2 + z² +w²​

Answer 1

2(xy+zw)-x^2-y^2+z^2+w^2

Step-by-step explanation:

=x^2+y^2-z^2-2xy

=(x^2+y^2-2xy)-z^2

=x^2+y^2-z^2-2xy

=(x-y)^2-z^2

=x^2+y^2-z^2-2xy

=(x-y+z)(x-y-z)

Hope it help you