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First of all,we will find the roots of the given equation.
⇒x=17/3 or x=1.

Now,roots of the unknown quadratic equation will be 3/17 and 1.
As we all know that quadratic equation p(x)=x²-Sx+P = 0.
    {where S is the sum of the roots and P is the product of roots}

∴ S= 3/17 + 1
∴ S= 20/7

And P= 3/17 × 1
 ∴ P= 3/17

⇒Equation will be :
                              x² - 20/17x + 3/17 = 0
On multiplying the whole equation by 17,we get the required equation;
                            17x² - 20x + 3 = 0
{If we do not multiply the equation by 17 on both sides,then also answer will be correct.}

1 5 1
too long answer
Answer is long I admit.But my focus is to make you understand how to do that question.Otherwise I could have done it in short and sweet way. 
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