Nilai mutlak |3x|-|2x-8|=0

| 3x | – |2x – 8| = 0

| 3x | = |2x – 8|

( 3x )² = (2x – 8)²

( 3x )² – (2x – 8)² = 0

(3x + 2x – 8) . (3x – 2x + 8) = 0

(5x – 8) . (x + 8) = 0

5x – 8 = 0

5x = 8

x = 8/5

atau

x + 8 = 0

x = -8

……………………………….

Maka, x = 8/5 atau x = -8

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Kelas 10

Pelajaran Matematika

Bab 2 Persamaan dan Fungsi Kuadrat

Kata kunci : –

Kode kategorisasi : 10.2.2