Discover the answers you need at Westonci.ca, where experts provide clear and concise information on various topics. Get immediate and reliable answers to your questions from a community of experienced experts on our platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.


Y = (-X)(-X) + 2 X + 4

X + Y = 4


Sagot :

[tex]y=(-x)(-x)+2x+4\\ x+y=4\\\\ y=x^2+2x+4\\ y=-x+4\\\\ -x+4=x^2+2x+4\\ x^2+3x=0\\ x(x+3)=0\\ x=0 \vee x=-3\\\\ y=-0+4 \vee y=-(-3)+4\\ y=4 \vee y=7\\\\ x=0,y=4\\ x=-3,y=7[/tex]