Danh sách trả lời của Nguyễn Long

<!--[if gte msEquation 12]>=4x2-20x+25-9x-30+17x

<!--[if gte msEquation 12]>=4x2-12x-5

<!--[if gte msEquation 12]>b,A=4x2-12x-9

<!--[if gte msEquation 12]>=4x2-12x+9-14

<!--[if gte msEquation 12]>=2x-92-14≤-14

<!--[if gte msEquation 12]>=>A≤-14 tại 2x-92=0

<!--[if gte msEquation 12]>                                           =>2x-9=0

<!--[if gte msEquation 12]>                                                      =>x=92" alt="

<!--[if gte msEquation 12]>a,A=2x-52-33x+10+17x

<!--[if gte msEquation 12]>=4x2-20x+25-9x-30+17x

<!--[if gte msEquation 12]>=4x2-12x-5

<!--[if gte msEquation 12]>b,A=4x2-12x-9

<!--[if gte msEquation 12]>=4x2-12x+9-14

<!--[if gte msEquation 12]>=2x-92-14≤-14

<!--[if gte msEquation 12]>=>A≤-14 tại 2x-92=0

<!--[if gte msEquation 12]>                                           =>2x-9=0