Mathematics

Mathematics, 18.09.2019 00:30, 25linm

The question is -x^2+18x-75.
i know that first you need to find the axis of symmetry but i am not sure how to use the formula -b/2a in this equation? ?

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The question is -x^2+18x-75.
i know that first you need to find the axis of symmetry but i am...

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