a2x2-3ax+3x-1. Put x= 1
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a^2-3ax+3x-1 , putting x=1answer of this statement is below:-
a^2(1)^2-3a(1) +3(1)-1
a^2-3a+3-1
a^2-3+2
next is with the factorisation mathod
a^2-2a-a+2
a(a-2)-1(a-2)
(a-1),(a-2)
a=1,2
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