2}} \right. \; |x|<4\\\\ \left \{ {{x\in (-\infty ,1]U[3,+\infty)} \atop {x\in (2,+\infty)}} \right. \; \to \; \; \\\\++++[1]----(2)----[3]+++++++\\\\x\in [3,+\infty)\\\\|x|<4\; \; \to \; \; -4<x<4" alt=" \left \{ {{(x-3)(x-1) \geq 0} \atop {x>2}} \right. \; |x|<4\\\\ \left \{ {{x\in (-\infty ,1]U[3,+\infty)} \atop {x\in (2,+\infty)}} \right. \; \to \; \; \\\\++++[1]----(2)----[3]+++++++\\\\x\in [3,+\infty)\\\\|x|<4\; \; \to \; \; -4<x<4" align="absmiddle" class="latex-formula">
