|X + 2|=|2x – 1| minta tolong sama caranya

|x + 2| = |2x – 1|

(x + 2)² = (2x – 1)²

(x + 2)² – (2x – 1)² = 0

(x + 2 + 2x – 1) . (x + 2 – 2x + 1) = 0

(3x + 1) . (-x + 3) = 0

3x + 1 = 0

3x = -1

x = -1/3

………………………………..

-x + 3 = 0

-x = -3

x = 3

Maka, x = -1/3 atau x = 3

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Kelas 10

Pelajaran Matematika

Bab 2 Persamaan dan Fungsi Kuadrat

Kata kunci : –

Kode kategorisasi : 10.2.2

Nilai Mutlak

|X + 2|=|2X – 1|

|X + 2|=|2x – 1|
X + 2 = 2X – 1
X – 2X = -1 – 2
-X = -3
X = 3

|X + 2|= -|2x – 1|
X + 2 = -2X + 1
X + 2X = 1 – 2
3X = -1
X = -1/3

HP = {-1/3,3}