Question

why is this not correct

30y = x^2 - 14x + 13
- 13
30y - 13 = x^2 - 14x
_________ ___________
-14 -14

x = sqrt 30y-13
_______
-14

sorry the division signs didn't line up

Answer 1

you can't divide both side by 14 since there's x attached to it