Решите уравнения x^2-3x-40=0 x^2+7x+6=0 x^2-4x-5=0 10/x-4=5/2. Created by KPine. algebra-ru

2...

August 2022 1 29 Report

Решите уравнения
x^2-3x-40=0
x^2+7x+6=0
x^2-4x-5=0
10/x-4=5/2

Answers & Comments

selmash21 Х^2-3х-40=0
д=9-4×1×(-40)=169
х1=(3-13)/2=-5
х2=(3+13)/2=8

х^2+7х+6=0
д=49-4×1×6=25
х1=(-7-5)/2=-6
х2=(-7+5)/2=-1

х^2-4х-5=0
д=16-4×(-5)×1=36
х1=(4-6)/2=-1
х2=(4+6)/2=5

5(х-4)=2×10
5х-20=20
5х=40
х=8

0 votes Thanks 1

5 sostavlyayut 150

Answer

KPine August 2022 | 0 Ответы

13...

Answer

KPine August 2022 | 0 Ответы

log032x4 25 ballov reshite pozhalujsta

Answer

KPine August 2022 | 0 Ответы

reshite log53x1ltbolshe ili menshe1

Answer

KPine August 2022 | 0 Ответы

15...

Answer

KPine June 2022 | 0 Ответы

3+x...

Answer

KPine June 2022 | 0 Ответы

4...

Answer

KPine June 2022 | 0 Ответы

7:7...

Answer

KPine June 2022 | 0 Ответы

4x24xyy2 pri 65 y 7 4 najdite ugol b treugolnika abc esli v nem proved

Answer

KPine June 2022 | 0 Ответы

x-5=2...

Answer

Answers & Comments

5 sostavlyayut 150

13...

log032x4 25 ballov reshite pozhalujsta

reshite log53x1ltbolshe ili menshe1

15...

3+x...

4...

7:7...

4x24xyy2 pri 65 y 7 4 najdite ugol b treugolnika abc esli v nem proved

x-5=2...

рекомендуемые вопросы

Helpful Links

Helpful Social