Question

factorise using identiity
x-y-x²+y²

please give a step by step solution
so that I can prepare for exam
like ateacher​

Answer 1

Answer:

this is your answer for

Step-by-step explanation:

hope it will help you

Answer 2

x-y-x²+y²

x-y -(x²-y²)

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

(x-y)(1-(x+y))

(x-y)(1-x-y)

Hope it helps :-)

All the best for ur exam buddy :-)