algebra
posted by Pinky P .
1. x^2+6x4=0
2. greater common factor 18a^3,3a^5
3. Solve 10x^411x^3+3=0

algebra 
Reiny
1.
x^2 + 6x + .... = 4+ ...
x^2 + 6x + 9 = 4 + 9
(x+3)^2 = 13
x+3 =±√13
x = 3 ± √13
2. much too easy for the level of the other questions
3. Wolfram shows 4 complex roots
http://www.wolframalpha.com/input/?i=10x%5E411x%5E3%2B3%3D0
Are you sure you typed it correctly?
Compared to the other two easy questions, this is in another league.
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