Question

Factorize xy² − yz² − xy +z²

a) (y+1)(xy − z²)
b) (y-1)(xy − z²)
c) (y-1)(xy + z²)​

Answer 1

Answer:

We have XY²-YZ²-XY+Z²

>XY²-XY-YZ²+Z²

>XY(Y-1)-Z²(Y-1)

>(Y-1)(XY-Z²)