There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 2 + (ax + b)(x - 1)(x - 2)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = ax^{3} - 3ax^{2} + 2ax + bx^{2} - 3bx + 2b + 2\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( ax^{3} - 3ax^{2} + 2ax + bx^{2} - 3bx + 2b + 2\right)}{dx}\\=&a*3x^{2} - 3a*2x + 2a + b*2x - 3b + 0 + 0\\=&3ax^{2} - 6ax + 2a + 2bx - 3b\\ \end{split}\end{equation} \]

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