Ответ:
(х+2)²=9
х+2=3
х=1
х+2=-3
х=-3-2
х=-5
х1=-5, х2=1
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Ответ:
(х+2)²=9
х+2=3
х=1
х+2=-3
х=-3-2
х=-5
х1=-5, х2=1