Use Euler's Method to solve numerically.

$4.$ Solve $y^{\text{'}}=x^2-2y,$ with $y(2)=-1,$ numerically, using a spreadsheet. Use a step size of $h=0\mathrm{.}1,$ and find $y_1$ through $y_{10}.$

$5.$ Solve $y^{\text{'}}=xy+x,$ with $y(1)=3,$ numerically, using a spreadsheet. Use a step size of $h=0\mathrm{.}1,$ and find $y_1$ through $y_{10}.$