Matt0017

Results 3 issues of Matt0017

a very simple > x*y+y=0 solved for x return two answers: x=-1 (correct) and x=0 (incorrect)

Simplification yields incorrect expression ![image](https://user-images.githubusercontent.com/30434328/168936412-26aea645-42c7-4ed4-af57-8340adca6321.png)

``` > `ReferenceError: i is not defined > at eval (eval at build (nerdamer.core.js:11882:1), :3:184) > at Object.getPoints (Solve.js:938:1) > at solve (Solve.js:1538:1) > at Expression.core.Expression.solveFor (Solve.js:257:1) > at App.DeterminePOE_Internal...