Answer
(a) $(-0.52,2.59)$
(a) $(-\infty,-0.52)U(2.59,\infty)$
Work Step by Step
(a) Use the results from the previous exercise, for $f(x)\gt0$, the solutions are $(-0.52,2.59)$
(a) Use the results from the previous exercise, for $f(x)\lt0$, the solutions are $(-\infty,-0.52)U(2.59,\infty)$
