Block, SkipCaptcha, Upload, Automoderated users, edit, rollback
14,697
edits
Changes
Jump to navigation
Jump to search
mLine 45:
Line 45: − +
→Polynomial Manipulations: + spcing
so
so
::<math>\frac{x^2 - 8 x + 15}{x-3} = x-5\,</math>
::<math>\frac{x^2 - 8 x + 15}{x-3} = x-5\,</math>
from which one gets ''x''=12.
from which one gets ''x'' = 12.
This was just a case of the principle that you can perform arithmetic operations even when the expression contain unknowns. In this case we were actually applying the distributive law 3 times.
This was just a case of the principle that you can perform arithmetic operations even when the expression contain unknowns. In this case we were actually applying the distributive law 3 times.