Practise the method.Example 1For a>0 and a=1,a4×ax=a8. Find x.Show worked answerAnswer: 4Add powers with the same base: 4+x=8x=4.Example 2x>0 and x2=324. Find 3x.Show worked answerAnswer: 6The positive square root gives x=18;divide by 3 to get 6.Example 3For a>0 and a=1,a6×ax=a12. Find x.Show worked answerAnswer: 6Add powers with the same base: 6+x=12x=6.