Diff Eq Problems, Please Provide Work

4 problems are provided. Write real valued general solutions, draw a phase portrait, and classify the fixed point.

1)

$x'=\left[ {\begin{array}{cc} 4 & 4 \\ 1 & 7 \\ \end{array} } \right]*x$

2)

$x'= \left[ {\begin{array}{cc} 6 & 14 \\ 21 & -1 \\ \end{array} } \right]*x$