solve 3^(x^2+3x) = 5
pka Elite Member Joined Jan 29, 2005 Messages 11,990 Feb 11, 2007 #2 Let \(\displaystyle F = \log _3 (5)\) then the equation becomes \(\displaystyle x^2 + 3x - F = 0\). Now use the quadric equation to find the roots.
Let \(\displaystyle F = \log _3 (5)\) then the equation becomes \(\displaystyle x^2 + 3x - F = 0\). Now use the quadric equation to find the roots.
