Answer:

Step-by-step explanation:
We have been given an equation
. We are asked to find the solutions of our given equation using u-substitution.
We can rewrite our given equation as:

Let us assume that
.






Upon substituting back the value of u, we will get:



Now we will use imaginary unit i. We know that
.


Therefore, the solutions for our given equation are
.
I believe the answer should be -60. But I could be wrong. I tried though...
If you need steps let me know please. :)
Answer:
278 probly
Step-by-step explanation:
i just subracted 981 and 703
If u find how many miles for 1 gallon, there are 25 miles so then divide 342 by 25 and u get 13.68 gallons