Factorise 3x-2-x^2+ax-a
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Step-by-step explanation:3x-2-x^2+ax-a=0
(3x-2-x^2)+(ax-a)=0
(-x^2+3x-2)+(ax-a)=0
(-x^2+X+2x-2)+(ax-a)=0
-x(X-1)+2(X-1)+a(x-1)=0
(-x+2+a),(x-1)=0
(-x+2+a)=0,(x-1)=0
X=a+2,X=1
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