X (X-3) <= 0?

odpoveď:

# 0 <= x <= 3 #

vysvetlenie:

# "vyriešiť" x (x-3) = 0 #

# rArrx = 0 "alebo" x = 3larrcolor (modré) "nuly" #

# "koeficient výrazu" x ^ 2 ""> 0rArruuu #

# RArr0 <= x <= 3 #

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