Question

determina el conjunto solucion de la siguiente inecuacion
x2+6x+9>0

Answer 1

$x^{2} +6x+9\ \textgreater \ 0 \\ (x+3)^{2}\ \textgreater \ 0\\ (\sqrt{(x+3)})^{2}\ \textgreater \ \sqrt{0}\\|x+3|\ \textgreater \ 0\\x+3\ \textgreater \ 0...U...x+3\ \textless \ 0\\x\ \textgreater \ -3...U...x\ \textless \ -3\\(- \alpha ,-3)U(-3,+ \alpha)\\o..tambien...R-(-3)\\espero te sirva :)$