Solve

y10y+25y=0,y(0)=4,y(0)=24\displaystyle {y}{''}-{10}{y}'+{25}{y}={0},\quad{y}{\left({0}\right)}=-{4},\quad{y}'{\left({0}\right)}=-{24}

y(t)\displaystyle {y}{\left({t}\right)} =