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rosa4444
@rosa4444
July 2022
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(x - 20)^2 = (x - 1)^2
Помогите, умоляю!
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m11m
Verified answer
(x-20)² - (x-1)² =0
(x-20 -x+1)(x-20+x-1)=0
-19(2x-21)=0
2x-21=0
2x=21
x=21/2
x=10.5
Ответ: 10,5
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rosa4444
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Answers & Comments
Verified answer
(x-20)² - (x-1)² =0(x-20 -x+1)(x-20+x-1)=0
-19(2x-21)=0
2x-21=0
2x=21
x=21/2
x=10.5
Ответ: 10,5