--------------------------
2x+5 |2x^3 + 7x^2 + 7x + 5
 
              x^2
     --------------------------
2x+5 |2x^3 + 7x^2 + 7x + 5
      2x^3 + 5x^2
      ------------
             2x^2 + 7x
 
              x^2 +  x
     --------------------------
2x+5 |2x^3 + 7x^2 + 7x + 5
      2x^3 + 5x^2
      ------------
             2x^2 + 7x
             2x^2 + 5x
            ------------
                    2x + 5
 
              x^2 +  x + 1
     --------------------------
2x+5 |2x^3 + 7x^2 + 7x + 5
      2x^3 + 5x^2
      ------------
             2x^2 + 7x
             2x^2 + 5x
            ------------
                    2x + 5
                    2x + 5
                   --------
                         0
Answer: 