
Mark M. answered 03/12/15
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
logba = x ⇒ bx = a This law, and other laws of logarithms, should be learned.
log3(x2 + x - 3) = 2
32 = x2 + x - 3
9 = x2 + x - 3
0 = x2 + x - 12 Now solve for x using FOIL