book Maths Puzzle Numerical Ability

I am having difficulty with another graphing problem I hope you can help me

(x+2)^2/25-(y+5)^2/16=1

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book Other Question

How can i solve by completing the square? I know a bit how but i just need some help!

X^2-X-1=0

X^2-X=1

X^2-x/2=1/2

X^2-x/2+(-1/4)^2=1/2+(-1/4)^2

I get lost here can some one help me solve or make any corrections THNX! Safety Rent-A-truck rents a truck at a daily rate of $41.95 plus $.29 per mile. City Rentals rents the same size truck for $38.95 plus $.31 per mile. For what mileage is the cost the same?