Equate The Math
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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 
You can’t divide by zero!! In the equation A(A-2) = A-2 you can not divide both sides by (A-2) to get A =1 since A=2 and A-2 is zero.
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