Answer:
x=0, y=4 or x=-1, y=0
Step-by-step explanation:
[tex]2x^2 + 6x+4=-4x^2 + 4 \\ \\ 6x^2 + 6x=0 \\ \\ x^2 +x=0 \\ \\ x(x+1)=0 \\ \\ x=0, -1 \\ \\ x=0 \implies y=4 \\ \\ x=-1 \implies y=0[/tex]
