Ответ:
(x-3) 2 - 2x 2 +18= 0.
(х-3)×2-2х²+18=0
х²-х-6=0
х=3
х=-2
(х-3)×2-2×2+18=0
2х-6-4+18=0
2х+8=0
2х=-8
Х=-4
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Ответ:
(x-3) 2 - 2x 2 +18= 0.
(х-3)×2-2х²+18=0
х²-х-6=0
х=3
х=-2
Ответ:
(х-3)×2-2×2+18=0
2х-6-4+18=0
2х+8=0
2х=-8
Х=-4