Himpunan Penyelesaian dari bentuk ke 5 2|2x-8|²-7|2x-8|-15=0
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nilai mutlak
2|2x – 8|² – 7|2x – 8| – 15 = 0
2a² – 7a – 15 = 0
(2a + 3)(a – 5) = 0
a = -3/2 atau a = 5
a = –3/2
|2x – 8| = -3/2 TM
tidak ada nilai x yg memenuhi
a = 5
|2x – 8| = 5
2x – 8 = 5 atau 2x – 8 = -5
2x – 8 = 5
x = (5 + 8)/2
x = 13/2
2x – 8 = -5
x = (-5 + 8)/2
x = 3/2
HP = {3/2 , 13/2}