Question

please give me the write answer ​

Answer 1

$(x - y) {}^{2} - 6(x - y) + 5 \\ let \: (x - y) \: = \: a \\ a {}^{2} - 6a + 5 \\ a {}^{2} + ( - 5 - 1)a + 5 \\ a { }^{2} - 5 a - a + 5 \\ a(a - 5) - 1(a - 5) \\ (a - 5)(a - 1)$

Answer 2

See the attachment !!

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