|x+3|<|x+2| tulislah hp nya...

Kelas 10 Matematika
Bab Nilai Mutlak

|x + 3| < |x + 2|
(x + 3)² < (x + 2)²
(x + 3)² - (x + 2)² > 0
(x + 3 + x + 2) (x + 3 - x - 2) > 0
(2x + 5) . 1 > 0^
2x + 5 < 0
2x < -5
x < -5/2

HP = { x | x < -5/2, x € bilangan real }