Question 928032
y = (x + √5)(x - 7√5) 
  (x + √5)(x - 7√5) = 0
x^2 -(6√5)x - 35 = 0
<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 &#8730;5(-7&#8730;5) = -7•5