Pregunta: Solve the given initial-value problem. y'' + 4y' + 4y = (7 + x)e?2x, y(0) = 5, y'(0) = 9

Given that

$\mathrm{y}{}^{″}+4{\mathrm{y}}^{\prime }+4\mathrm{y}=(7+\mathrm{x}){\mathrm{e}}^{-2\mathrm{x}}\to \left(1\right)$

The gener...