giải các phương trình sau1] 3x-4=-192] -x-9=03] x+2=-6x+164] -3x-2=-10x+55] 5.(x-3)-4=2.(x-1)+76] 3.(x+1)+6=2.(4x+7)-127](3x+5).(2x+1)=(6x-2).(x-3)8] 3.(x-2)2+9.(x-1)=3.(x3+x-3)9] (x-3).(x+3)+(x+2).(x+4)=(2x+3).(x+1)10] (x+3)3-(x-3)2=6x+1811] (3x+2)3-(3x-2)2=5x+3812] 11x+42-2x=100-9x-2213] 8.(3x-2)-14x=2.(4-7x)+1914] 12-2.(x-1)=x.(x-2)2-5x215] 2x2+(x+5)2-2.(x+7)2=2.(3x+72,5)-(x-6)2mong được ae giúp đỡ-.-