Answer:
X=-1
Y=-9
Step-by-step explanation:
x^2+2x-8
x^2+2x +1 =8+1
(x+1)-9
-4x-5
3+x-(x+2)-4x
3+x-x-2-4x
(-2,1) (-1,1),(0,1)
find the gradient first
where is the picture? or number line
Is this an exam? looks like it