It would be a rotation I believe
I think you mean x^2 - 7x + 8
This is a basic factoring problem:
What two numbers multiply to make 8 and add to make -7?
There are no two numbers that work!
Therefore, it is prime
I hope this helps you
if he can earn $9 per hour
$405 ? hours
?=405/9
?=45 hours he worked
Hello,
7l=7×1000=7000 ml
Bye :-)