First we are going to fill the table from the functions that we have
Function f
[tex]f(x)=x^2+5x+6[/tex]Function g
[tex]g(x)=2x+6[/tex]Table
x f(x) g(x)
-6 12 -6
-5 6 -4
-4 2 -2
-3 0 0
-2 0 2
-1 2 4
0 6 6
1 12 8
Solution of the system: (-3,0), (0,6)