X3 + 10X = 25
has a solution between 1 and 2.
Use a trial and improvement method to find this solution. Give you answer to one decimal place.
So the first column is just for what x could be, the question tells you that it is between 1 and 2 so right 1 at the top of the column and 2 at the bottom and 1.5 in the middle.
The second column is…