\[A = ( - \infty; - 3) \cup (1; + \infty);\]
\[B = \lbrack - 4;2\rbrack;\]
\[A \cup B = ( - \infty; + \infty);\]
\[A \cap B = \lbrack - 4; - 3) \cup (1;2\rbrack.\]