how to solve equation with square root

[Joe Horn]

(05-11-2020 03:17 PM)tom234 Wrote:  

(01-03-2020 07:08 AM)teerasak Wrote:  When using solve(Sqrt(x^2+x-2) + Sqrt(x^2+x-30) = Abs(Sqrt(2*x^2+2*x-32)),x)

I expect it should filter answer with intermediate complex number result, but it does not.



Is it a bug?

I don't get anyone of that just empty brackets!

So did I until I reset all the CAS Settings to their defaults. On both pages of CAS Settings, press Shift Esc. And of course make sure that 'x' doesn't have any value stored in it, which can be assured by doing del(x) or purge(x). Then try the solve() again. Depending on your firmware version, you'll either get all four results or just [-6, 5].