Book Maths Puzzle Algebra

I would like to know how to solve the equation x^2+8x-2=0 using both, The quadratic formula and Completing the square. And how do I compare and contrast the two methods.

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Book Other Question

Eddie's Towing Company charges $40 to hook a vehicle to the tow truck and $1.70 for each mile the vehicle is towed. Which equation best represents the relationship between the num Which graph best represents the inequality of -x + y > 3?