There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ (1.05 + 0.09x + 0.04{x}^{2})(1 + 0.1375(1.24895 - x))\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = - 0.144375x + 0.09x + 0.01545575625x - 0.012375x^{2} - 0.0055x^{3} + 0.006869225x^{2} + 0.04x^{2} + 1.23031715625\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( - 0.144375x + 0.09x + 0.01545575625x - 0.012375x^{2} - 0.0055x^{3} + 0.006869225x^{2} + 0.04x^{2} + 1.23031715625\right)}{dx}\\=& - 0.144375 + 0.09 + 0.01545575625 - 0.012375*2x - 0.0055*3x^{2} + 0.006869225*2x + 0.04*2x + 0\\=& - 0.02475x - 0.0165x^{2} + 0.01373845x + 0.08x - 0.03891924375\\ \end{split}\end{equation} \]

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