Ответ:
(x-3)^2-(x+1)^2=24
x^2-6x+9-(x^2+2x+1)=24
x^2-6x+9-x^2-2x-1=24
-8x+8=24
-8x=16
x=-2
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Ответ:
(x-3)^2-(x+1)^2=24
x^2-6x+9-(x^2+2x+1)=24
x^2-6x+9-x^2-2x-1=24
-8x+8=24
-8x=16
x=-2