Question

factorise. [ x(x-a)-y(y-a)]​

Answer 1

Step-by-step explanation:

[x)x-a,)-y(y-a)]

x²-ax-y²+ay

x²-y²-ax+ay

x²-y²-a(x+y)

(x+y)(x-y)-a(x+y)

HOPE THIS HELPS YOU

Answer 2

Step-by-step explanation:

1. 《x(x-a)-y(y-a)》=x²-xa-y²+ya= ya-xa+x²-y² =a(y-x)+(x+y)(x-y)