Question

Factorize: x⁴-y⁴+x²-y²​

Answer 1

Answer:

Using, a²-b² = a+b×a-b

Step-by-step explanation:

x⁴ -y⁴ + (x²-y²)

= (x²+y²)(x²-y²) + (x²-y²)

= (x²-y²)(x²+y²+1)

=(x+y)(x-y)(x²+y²+1)

Answer 2

(X-y) (x+y) (x²+ y²+1)

Step-by-step explanation:

i hope this helps you