(х-4)²+(х+9)²=2х²
х²-8х+16+х²+18х+81=2х²
2х²+ 10х+97= 2х²
10х= -97
х= - 9,7
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(х-4)²+(х+9)²=2х²
х²-8х+16+х²+18х+81=2х²
2х²+ 10х+97= 2х²
10х= -97
х= - 9,7
х^2-8х+16+х^2+18х+81=2х^2
2х^2+10х+97-2х^2=0
10х+97=0
10х= -97
х= -97/10
х = -9,7
Ответ: х= -9,7