Posted by **Pinky P** on Saturday, December 31, 2011 at 12:05am.

1. x^2+6x-4=0

2. greater common factor -18a^3,3a^5

3. Solve 10x^4-11x^3+3=0

- algebra -
**Reiny**, Saturday, December 31, 2011 at 1:18am
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%5E4-11x%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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