Step-by-step explanation:
x+y=4
y= \(x^2-3x+4\)
Substitute the given value of y into the x+y=4 equation:
x+x^2-3x+4=4
Rearrange:
-2x+\(x^2\)=0 ---> \(x^2=2x\)
Try and solve for the rest of x on your own. Then substitute in and solve for y.
I hope this helps. If it did, please mark me as Brainliest. Good luck!
