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kate27678
@kate27678
June 2022
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(x-5)^2=5x^2-(2x-1)(2x+1)
решите уравнение с объяснением,пожалуйста
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miron2077
Verified answer
(x-5)²=5x²-(2x-1)(2x+1)
х²-10х+25=5х²-4х²+1
х²-5х²+4х²-10х=1-25
5х²-5х²-10х=-24
-10х=-24
х=-24:(-10)
х=2,4
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Answers & Comments
Verified answer
(x-5)²=5x²-(2x-1)(2x+1)х²-10х+25=5х²-4х²+1
х²-5х²+4х²-10х=1-25
5х²-5х²-10х=-24
-10х=-24
х=-24:(-10)
х=2,4