There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ (0.75 - x)(0.5 + x)(7.62273 + x)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.375x + 5.7170475x + 0.75x^{2} - 3.811365x - 0.5x^{2} - 7.62273x^{2} - x^{3} + 2.85852375\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.375x + 5.7170475x + 0.75x^{2} - 3.811365x - 0.5x^{2} - 7.62273x^{2} - x^{3} + 2.85852375\right)}{dx}\\=&0.375 + 5.7170475 + 0.75*2x - 3.811365 - 0.5*2x - 7.62273*2x - 3x^{2} + 0\\=&1.5x - x - 15.24546x - 3x^{2} + 2.2806825\\ \end{split}\end{equation} \]

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