Well i couldn't go to school today for various reasons.
So i'm trying to teach myself some stuff and am having trouble understanding the method.
The method goes like this :
if
then
and
Ok, i get that
and i also get you can use elimination to then solve this...but i don't get what they've done...
By eliminating B from the first and second equation...they get
This is where im confused...where the hell do they even get
from?
Note: Its meant to be x to the power of a half...but latex doesnt like it lol.
Thank-you