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\(Let $a$ and $b$ be the solutions of the equation $2x^2-10x+5=0$. What is the value of $(2a-3)(4b-6)$?\)

 Jul 10, 2020
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The roots are x = (5 \pm sqrt(15))/2.  Plugging these in, we get (2a - 3)(4b - 6) = -62.

 Jul 10, 2020

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