a,(x-1)(5x+3)=(3x-8)(x-1) b,3x(25x+15)-35(5x+3)=0 c,(2-3x)(x-11)=(3x-2)(2-5x) d,(2x^2+1)(4x-3)=(2x^2+1)(x-12) e,(2x-1)^2+(2-x)(2x-1)=0 f,(x+2)(3-4x)=x^2+4x+4

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