Bantu kak.............

Bantu kak………….

Jawaban:

x = 2

x=1

Penjelasan dengan langkah-langkah:

$4 {}^{x} - 6 times 2 {}^{x} + 8 = 0 \ 2 {}^{x} = 4 \ 2 {}^{x} = 2 \ x = 2 \ 2 {}^{x} = 2 \ x = 2 \ x = 1$