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Verified answer
Materi : PertidaksamaanKelas : X SMA
V4-2x > 5
(V4-2x)^2 > 5^2
4 - 2x > 25
-2x > 25 - 4
-2x > 21
•••••••••••• ×(-)
2x < 21
x < 21/2
Hp = { x I x < 21/2 , x € R }
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Vx-2 < 4
(Vx-2)^2 < 4^2
x - 2 < 16
x < 16 + 2
x < 18
x < 9
Hp = { x I x < 9 , x € R }