tolong jwb dong kk, g ngerti. terimakasih

√7^(2m + 4) = 49^(m - 2)
7^[(2m + 4)/2] = 7^[2(m - 2)]
7^(m + 2) = 7^(2m - 4)
m + 2 = 2m - 4
2 + 4 = 2m - m
6 = m
m = 6

Jawaban: D