Question

x²-y²-2y-1
please help me do this
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Answer 1

Answer:

your answer is (x-y+1)(x+y+1)

Step-by-step explanation:

x^2-y^2-2y-1

step2: take (-) sign common

• x^2-(y^2+2y+1)

step3: place the identity (a+b)^2

• x^2-(y+1)^2

step3: make pairs

•(x-y+1)(x+y+1)

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Answer 2

Answer:

please mark this is the brainliest

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