Question 26864
<pre><font face = "lucida console" size = 4>What's the best way to solve for x:

3x² - x - 7 = 0

The quadratic formula

A=3, B=-1, C= -7
          ______
    -B ± <font face = "symbol">Ö</font>B²-4AC
x = —————————————
        2A

              ______________
     -(-1) ± <font face = "symbol">Ö</font>(-1)²-4(3)(-7)
x = —————————————————————————
           2(3)

          __
     1 ± <font face = "symbol">Ö</font>85
x = ————————
       6

Edwin McCravy
AnlytcPhil@aol.com</pre>