How to make this function

Hello guys, could anyone send me a battery (grasshopper) with this function: -0.17x²-3.49xy-0.21y²+9.26x-9.53y=-27.9. I tried it but without success. Also i would like to make this points their limits: P1: (-2,9 ; 1,82) and P2: (-1,9 ; 2,78). Is it possible? Thanks

Don’t duplicate threads

I’m new in this so sorry. Anyway, no need to respond that rude. Again, sorry guys.