bantu ya..pake cara nya makasih

1•
(√2)^(4x + 6) = 16
(2)^((1/2)(4x + 6)) = 2^4
Lihat pangkatnya
(1/2)(4x + 6) = 4
2x + 3 = 4
2x = 4 - 3
x = 1/2

2•
9^((x + 3)/2) = 1/81
9^((x + 3)/2) = 9^-2
(x + 3)/2 = -2
Kali silang
x + 3 = -4
x = -4 - 3
x = -7