Question

factorise the following expression x⁴-(y-2)²​

Answer 1

Step-by-step explanation:

x^4-(y^2+4-4y)

x^4-y^2-4+4y

Answer 2

Answer:

(x²+y-2)(x²-y+2)

Step-by-step explanation:

x⁴-(y-2)²

= (x²)²-(y-2)²

= (x²+y-2)(x²-(y-2))

= (x²+y-2)(x²-y+2)

using formula x²-y² = (x+y)(x-y)