Question

Factorise x²y²-2xy+1

Plz explain it step by step
bcz I helped a lot​

Answer 1

Answer:

x2+y2−2xy=(x−y)2

x2+y2−2xy−1=(x−y)2−1=(x−y−1)∗(x−y+1)

We therefore have 2 factors: (x−y−1) and (x−y+1)

Step-by-step explanation:

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