Question

factorize x² - y² - 4 xz+4z² ​

Answer 1

x^²-y^²-4xz+4z^²

=(x^2-4xz+4z^²)-(y)^²

=(x-2z)^²-(y)^²

=(x-2z+y)(x-2z-y)

Answer 2

Answer:

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