Posted by Lillie on Sunday, August 22, 2010 at 1:16pm.
Find the real solutions, if any, to this equation. Use the quadratic formula.
3x^2+5x7 =0
I get stuck when I plug in and simplify them all... I got up to
5+_ sqrt109 /5

Math  bobpursley, Sunday, August 22, 2010 at 1:21pm
the denominator is 2a, or 6, not 5
root 1: x=5/6 +1/6 sqrt109
root 2: x=5/6  1/6 sqrt 109