Question

factorise x²-y²-4y-4

Answer 1

ANSWER :

x²-y²-4y-4

(x)² - (y²) +4y-4

(x+y) (x-y) +4(y-1 )

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Answer 2

Answer:

$\huge \underline{★Answer❀°᭄}$

${x}^{2} - {y}^{2} + 4y - 4 \\ \\ ⇒ ({x})^{2} - ( {y})^{2} + 4y - 4 \\ \\ ⇒(x + y)(x - y) + 4(y - 1)$

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