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Q31 of 47 Page 1

Solve for x:



⇒


⇒


⇒ (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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Questions · 47
Delhi-2015
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