3 pangkat 2x+1 = 9 pangkat 2x+4 = 0
Jawaban:
3^2x+1 = 9^2x+4
3^2x+1 = 3²2x+4
2x+1 = 2(2x+4)
2x+1 = 4x +8
2x–4x = 8–1
-2x = 7.
x = –⁷/2
3 pangkat 2x+1 = 9 pangkat 2x+4 = 0
Jawaban:
3^2x+1 = 9^2x+4
3^2x+1 = 3²2x+4
2x+1 = 2(2x+4)
2x+1 = 4x +8
2x–4x = 8–1
-2x = 7.
x = –⁷/2