Posted by **Luke** on Wednesday, October 19, 2011 at 7:06am.

3x^2-12x+11=0

Solve for x.

- Super Easy Math Question -
**Crazy**, Wednesday, October 19, 2011 at 8:31am
Ummmmmmmm. How is that easy??????????

- Super Easy Math Question -
**Steve**, Wednesday, October 19, 2011 at 12:08pm
It's only easy if you know the quadratic formula:

x = [12 ± √(144-132)]/6

= (12 ± √12)/6

= 2 ± √3/3

= 1.423 or 2.577

- Super Easy Math Question -
**Luke**, Wednesday, October 19, 2011 at 1:16pm
Answer in the book is 6±√3/3

I was able to get to (12 ± √12)/6 but I couldn't figure out how you got the rest.

- Super Easy Math Question -
**sue**, Sunday, February 12, 2012 at 12:34pm
4x+y=12

6x+8y=8

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