Use Negative Power Rule: x − a = 1 x a x −a = x a 1 .
Multiply both sides by 6 a x 6 ax . Divide both sides by − 2 −2. Divide both sides by x + 2 x+2. Simplify 1 2 x + 2 x+2 2 1 to 1 2 ( x + 2 ) 2(x+2) 1 . Use Definition of Common Logarithm and for last : Divide both sides by x x.