Question 925724
4x^2+ 20x+25 = (2x+5)(2x+5) = (2x+5)^2
...
<font size=3 color="red">F</font>	First terms
<font size=3 color="red">O</font>	Outside terms
<font size=3 color="red">I</font>	Inside terms
<font size=3 color="red">L</font>	Last terms