nilai mutlak dari |5-2×|=1

|5-2x|=1
(√(5-2x)²)²=(1)²
(5-2x)²=(1)²
(5-2x)²-(1)²=0
(5-2x-1)(5-2x+1)=0
(4-2x)(6-2x)=0
*4-2x=0
-2x=-4
2x=4
x=4/2
x=2
*6-2x=0
-2x=-6
2x=6
x=6/2
x=3
hp={2,3}

Bab Nilai Mutlak
Matematika SMA Kelas X

|5 - 2x| = 1

(5 - 2x)² = 1²
(5 - 2x)² - 1² = 0
(5 - 2x + 1) (5 - 2x - 1) = 0
(6 - 2x) (4 - 2x) = 0
6 - 2x = 0    atau    4 - 2x = 0
6 = 2x                    4 = 2x
x = 6/2                   x = 4/2
x = 3                      x = 2

HP = { 2, 3 }