Question 121549
factoring out 9^x+1 gives (9^x+1)(1+9+9^2+9^3+9^4)=22143


(9^x+1)(1+9+81+729+6561)=22143 __ (9^x+1)(7381)=22143 __ 9^x+1=3 9^x+1=9^(1/2)


x+1=1/2