x=1...

July 2022 1 7 Report

Решить уравнение : по теме -уравнения сводящиеся к квадратным
1)2/x-5 +14/x=3

2)40/x-2 - 40/x=1

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Verified answer

1
x≠5;x≠0
2*x+14(x-5)=3x(x-5)
2x+14x-70=3x²-15x
3x²-31x+70=0
D=961-840=121
x1=(31-11)/6=10/3
x2=(31+11)/6=7
2
x≠2;x≠0
40*x-40*(x-2)=x(x-2)
x²-2x-40x+40x-80=0
x²-2x-80=0
x1+x2=2 u x1*x2=-80
x1=-8
x2=10

1 votes Thanks 1

2x-2...

Answer

klimenkol21 August 2022 | 0 Ответы

vychislit 1 05 minus 5 stepen 2 13 minus 2 stepen171650fa71f3773fcb7d8058d1e04fec 16590

Answer

klimenkol21 August 2022 | 0 Ответы

reshit kvadratnoe uravnenie razlozhiv ego levuyu chast na mnozhiteli 13h5h03fccfdb28b70e12dfa1290621b0bdc92 30754

Answer

klimenkol21 August 2022 | 0 Ответы

osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniya0c50ad104f6e89a3291d70d1402d398b 22936

Answer

klimenkol21 August 2022 | 0 Ответы

osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniyadea6b551016c04c8383f618917441f22 11246

Answer

Answers & Comments

Verified answer

2x-2...

vychislit 1 05 minus 5 stepen 2 13 minus 2 stepen171650fa71f3773fcb7d8058d1e04fec 16590

9 hh 1 32h 25 gt hh 1b800fa94593fe89989c46f558b0bbcf5 4400

2x-2...

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v okruzhnosti provedeny tri ravnye hordy odna iz nih udalena ot centra na 5sm n

reshit kvadratnoe uravnenie razlozhiv ego levuyu chast na mnozhiteli 13h5h03fccfdb28b70e12dfa1290621b0bdc92 30754

osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniya0c50ad104f6e89a3291d70d1402d398b 22936

osnovaniya trapecii 6sm i 9sm vysota 10sm najti rasstoyaniya ot tochki peresecheniyadea6b551016c04c8383f618917441f22 11246

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