Love Graphically the simultaneous equations
Y=3+3x-x^2 Y=2x+1
Take x values from -2 to 4
for a visual representation you can input this in a grapher such as this:
https://www.desmos.com/calculator
The solution sets are {-1,-1} and {2,5}
Graphical Representation:
https://www.desmos.com/calculator/jft8sfnkxr