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What is the maximum value of 4(x + 7)(12 - x)?

 Aug 13, 2021
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First ...expand the given equation to    a x^2   + b x  + c      form

   then the maximum will occur at   x = - b/ 2a

       use this value of 'x' in the equation to calculate the max value of the function.......

 Aug 13, 2021

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