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What is the maximum value of $4(x + 7)(2 + x)$, over all real numbers $x$?

 Dec 17, 2020

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Using the \[\frac{-b}{2a}\] maximum / minimum is \[\frac{-9}{2}\] and $-25$

 Dec 17, 2020
 #1
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Using the \[\frac{-b}{2a}\] maximum / minimum is \[\frac{-9}{2}\] and $-25$

Guest Dec 17, 2020

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