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# Algebra

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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

#1
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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