His average speed is 12 and 2/3 km per hour
So if we have x^2+x-6=0 we can use FOIL to solve
x^2+x-6=0
(x+3)(x-2)=0
x=-3,2
Hope this helps you understand how to solve using the FOIL method which means First, Outside,Inside,Last
Any questions please ask! Please help me out and rate my answer Brainliest if my answer helped you out!
Thank you so much!
Answer:
Step-by-step explanation:
Start at x = - 2
Go down until you hit the line that looks like a check mark.
Read across to the y axis.
y = - 6
f(-2) = - 6
