![subject](/tpl/images/cats/mat.png)
Mathematics, 01.11.2020 22:20 diamondalize21p84czi
What are the solutions of the equation x4 – 9x2 + 8 = 0? Use u substitution to solve.
x = 1 and x = 2 StartRoot 2 EndRoot
x = ±1 and x = plus-or-minus 2 StartRoot 2 EndRoot
x = ±i and x = plus-or-minus 2 i StartRoot 2 EndRoot
x = ±i and x = 2 StartRoot 2 EndRoot
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333
Answers: 3
You know the right answer?
What are the solutions of the equation x4 – 9x2 + 8 = 0? Use u substitution to solve.
x = 1 and x =...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 21.07.2019 11:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 11:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.07.2019 11:00
![question](/tpl/images/cats/mat.png)
Mathematics, 21.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.07.2019 11:00
![question](/tpl/images/cats/fizika.png)
Physics, 21.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
History, 21.07.2019 11:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.07.2019 11:00
![question](/tpl/images/cats/biologiya.png)
Biology, 21.07.2019 11:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 21.07.2019 11:00
![question](/tpl/images/cats/geografiya.png)
Geography, 21.07.2019 11:00