Answer:

Step-by-step explanation:

Expand brackets.


Apply radical rule : 


That is not true. To find the midpoint of a line, you must add the values of x’s together and divide by 2 and then add the values of y together and divide by 2. The formula is (x1+x2/2 , y1+y2/2)
I am sure it’s right ,but I get some feeling that it might be wrong 98% it’s right