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Verified answer
Bab EksonensialMatematika SMA Kelas X
72 = 4^(m - 2) x 6^n
8 x 9 = 2^(2 (m - 2)) x (2 x 3)^n
2^3 x 3^2 = 2^(2m - 4) x 2^n x 3^n
2^3 x 3^2 = 2^(2m - 4 + n) x 3^n
3^2 = 2^n
2 = n
n = 2
2^3 = 2^(2m - 4 + n)
3 = 2m - 4 + n
3 = 2m - 4 + 2
3 = 2m - 2
2m = 3 + 2
m = 5/2
m x n = 5/2 x 2
= 5