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Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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