For this case we must indicate the correct sign between the following numbers:

We have to:

So, we have to 
Answer:

Answer: 448
Step-by-step explanation:
Divide both sides by -3, and replace
with
. Then

Factorize the quadratic in
to get

which in turn means

But
for all real
, so we can ignore the first solution. This leaves us with

If we allow for any complex solution, then we can continue with the solution we ignored:

Lol is it hard I don’t get it are you okay 2+2=4 -1=3 quick maths
Answer:
1 battery cost .49875 cents, but .50 rounded
Step-by-step explanation:
Divide 3.99 by 8 and you will get .49875