Answer:
-90=
(
-18)
-90=
-18![x](https://tex.z-dn.net/?f=x)
![0=x^{2}-18x+90](https://tex.z-dn.net/?f=0%3Dx%5E%7B2%7D-18x%2B90)
![x=9+3i or 9-3i](https://tex.z-dn.net/?f=x%3D9%2B3i%20%20%20or%20%20%209-3i)
Step-by-step explanation:
you need to use quadratic formula and you will find square root a negative ( -9 ), which is an imaginary no.
square root (-9) = 3i
Answer:
3,-4
Step-by-step explanation:
im not sure if this is right or not but I tried
Answer:
They are all odd numbers.
Step-by-step explanation:
Ok so we know that numbers that end with 1,3,5,7 and 9 are odd numbers and all the numbers listed in the question all end with these numbers.
If you are doing a very long division problem than you can do long division. If you don't know long division than you can search it up on google and you will find "Khan Academy". But if you want an answer right now.... the answer is 191.
>.< Hope this helped.