I don't understrand this solution can u helpme simplify square root a^2-10a+25
G Guest Guest Feb 11, 2006 #1 I don't understrand this solution can u helpme simplify square root a^2-10a+25
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Feb 11, 2006 #2 You have a perfect square: \(\displaystyle \L a^2 - 10a + 25 = \left( {a - 5} \right)^2\) And \(\displaystyle \L \sqrt {x^2 } = |x|\), but don't forget the absolute value.
You have a perfect square: \(\displaystyle \L a^2 - 10a + 25 = \left( {a - 5} \right)^2\) And \(\displaystyle \L \sqrt {x^2 } = |x|\), but don't forget the absolute value.
