Question

(x-2y)²-5(x-2y)+6 find its answer please

Answer 1

Let x - 2y be a.
Therefore
a^2 - 5a + 6 = 0
a^2 - 3a - 2a + 6 = 0
a ( a - 3 ) - 2 ( a - 3) = 0
( a - 3) ( a - 2) = 0
Therefore
a = 3 or a = 2.
Therefore
x - 2y = 3 or 2.

Answer 2

is the given equation equals to zero? plzz give the full question so it is easy to solve

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