Answer:
x-60
Step-by-step explanation:
You have to factor out the quadratic.
You know that one of the factors is x-40.
To factor:
Find a number that when added to -40, gives you -100, and also when multiplied, gives you 2400.
That such number is -60.
Add an x before it, and you get (x-60)
I use edge also most of the answers come for this app all u have to do is copy and paste your answer hopefully this helps
Your answer is D you’re welcome!
For this question, you just divide 2400 by 400 and get how many days it'll take! which, is 6
