Answer :





(7x + 1)(4x-1)=29(x2-1)


28x2-3x-1=29x2-29


x2 + 3x-28=0


x2 + 7x-4x-28=0


x(x + 7)-4(x + 7)=0


(x-4)(x + 7)=0


x=4 or x=-7


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