First let's review how to expand this!
(ax+b)^2=a^2*x^2+2abx+a^2
In this case
(2x^2+1/2)^2=2^2*x^2+2*1/2*2x+(1/2)^2
=4x^2+2x+1/4
Done!
Answer:
6
Step-by-step explanation:
What coordinates do you need? If it's the starting and ending ones of the line then it's, (4,4) and (10,10)