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KsKitty
@KsKitty
August 2022
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Ребят, помогите найти корни уравнения :
• (x + 2)2 = (x − 4)2
• х2=2x+8
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Ирина19990819
1)(Х+2)^2=(х-4)^2Х^2+4х+4=х^2-8х+1612х=12Х=1.Ответ:1________________________________2)х^2=2х+8Х^2-2х-8=0D=b^2-4acD=4-4*(-8)=36=6^2X`=(2-6)\2=-2X=(2+6)\2=4Ответ: -2;4
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