yes, but that means I would get h^2+9=36 which becomes h^2=25 which therefore means that h=5,-5. However the answers says that it is $\displaystyle \pm3\sqrt{3}$
yes, but that means I would get h^2+9=36 which becomes h^2=25 which therefore means that h=5,-5. However the answers says that it is $\displaystyle \pm3\sqrt{3}$
In my universe 36 - 9 = 27 (most of the time, anyway).