Solve the equation. Write the solution set with the exact solutions. Also give approximate solution to 4 decimal places if neccessary. log(p^2 +6p) = log 7 Solution log(p^2 +6p) = log 7 ==> p^2 +6p=7 ==> p^2 +7p-p-7=0 ==> (p+7)*(p-1)=0 ==> either p=-7 or p=1 .