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Let a and b be the roots of the equation 2x^2 - 7x + 2 = 0.  Find (a - 1) + (b - 1).

 Jul 25, 2022
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It simplifies to \(a + b - 2\), but note that \(a + b = {- b \over a}= {7 \over 2}\)

 

Can you take it from here?

 Jul 26, 2022

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