Equate The Math

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1




Similar Riddles

Tarang football website was hacked by one of the players. Jack, the coach of Tarang has pointed out five players as the possible hacker.
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B) I know nothing about hacking.
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B) I am sure Oscar did it.
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Oscar
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B) I am sure Hazard did it.
C) I used to be friend with Remy.

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