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Imi poate explica cineva cum se rezolva inecuatia 2 x (5x-12)mai mic sau egal cu 6 ? Multumesc

Răspuns :

2x(5x-12)≤6
scapam de paranteze
10x la 2 -24x≤6
2x(5x-12)≤6
2x≤6
x≤3

5x-12≤6
5x≤6+12
5x≤18
x≤3,6 sau 18/5
2x(5x-12)《6
10x^2-24x《6
10x×10x-24x《6
x(10×10-24)《6
x×76《6
x《6÷76