There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ (7616.93 + 0.027x*3564)(305.79 - 3.6x - 50)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = - 27420.948x + 29425.56012x - 346.4208x^{2} - 4811.4x + 1948334.5247\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( - 27420.948x + 29425.56012x - 346.4208x^{2} - 4811.4x + 1948334.5247\right)}{dx}\\=& - 27420.948 + 29425.56012 - 346.4208*2x - 4811.4 + 0\\=& - 692.8416x - 2806.78788\\ \end{split}\end{equation} \]

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