There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ \frac{((50x + 80x)(1 + 0.05x))}{5} + 370*3\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.5x^{2} + 0.8x^{2} + 10x + 16x + 1110\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.5x^{2} + 0.8x^{2} + 10x + 16x + 1110\right)}{dx}\\=&0.5*2x + 0.8*2x + 10 + 16 + 0\\=&1x + 1.6x + 26\\ \end{split}\end{equation} \]

Your problem has not been solved here? Please take a look at the  hot problems ！