There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 8{({t}^{5} - 9)}^{5}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 8t^{25} - 360t^{20} + 6480t^{15} - 58320t^{10} + 262440t^{5} - 472392\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 8t^{25} - 360t^{20} + 6480t^{15} - 58320t^{10} + 262440t^{5} - 472392\right)}{dx}\\=&0 + 0 + 0 + 0 + 0 + 0\\=&0\\ \end{split}\end{equation} \]

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