How do I solve -x^2-x-42?

Question

I have these pretty much down pat, except when it's just the variable in the middle. Any help would be greatly appreciated.

Answer 1

-x^2 -x -42=0 . . . become +x^2 +x +42=0 . . . yuze quadratik equashun... roots=-0.5 +-6.461424 i (komplex variabels) . . . b^2-4ac=-167..... root(b^2-4ac)=12.922847983