X (x-3) <= 0?

Jawapan:

# 0 <= x <= 3 #

Penjelasan:

# "menyelesaikan" x (x-3) = 0 #

# rArrx = 0 "atau" x = 3larrcolor (biru) "sifar" #

# "pekali istilah" x ^ 2 "istilah"> 0rArruuu #

# rArr0 <= x <= 3 #

graf {x ^ 2-3x -10, 10, -5, 5}