Brainliest!!!!!!!!!!!!!!!!! You want to fence in a pool and deck area. Find the expression which correctly determines the amount of fencing required to complete the job.

Answer:
The correct expression should be..
5x^2+3x
Step-by-step explanation:
You want to add the variables of the same kind like put all the numbers together, x^2 together, and the x in one too.
-10 1x^2 2x
+10 1x^2 1x
+5 1x^2
+5 2x^2
-10
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0 5x^2 3x