Докажи неравенство:(×+3)×(×-10)<(×-5)×(×-2)

Question

Докажи неравенство:(×+3)×(×-10)<(×-5)×(×-2)

Answer 1

(х+3)*(х-10)меньше(х-5)*(х-2)
2х+3х+3х-30
8х=30
х=30:8
х=3.75

2х-5х-5х-10
-8х=10
х=10:8
х=1.25