Help maybe? please don’t comment if it’s not related to this <3

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?