what is the greatest positive integer x such that 3 ^ x is a factor of 9 ^ 6 ?
"what is the greatest positive integer x such that 3 ^ x is a factor of 9 ^ 6 ? 9 ^ 6 = ( 3 ^ 2 ) ^ 6 = 3 ^ 12 b . 12"
multiply(subtract(9, 6), 6)