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

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