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    1435323.077x^2-793556.7921x-2148376.105=0
    3/x^2-27/8
    35X-350=30X-250
    35X-300=30X-250
    7(5X-50)=5(6X-50)
    7(5X-50)=5(5X-50)
    (6X-50):(5X-50)=7:5
    6(x-2)-1=5(x-2)+1
    6(6X-50)=7(5X-50)
    5(x-1)-3=4(x-1)+3
    X²-32x+156=0
    5(x-1)-1=4(x-1)+1
    x^2=-1
    x^10+x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1=143
    -m^2-6m-3+(-3)=2
    -m2-6m-3+(-3)=2
    -m^2-6m-3-(-3)=2
    6-m^2-6m-3=2
    6+m^2-6m-3=2
    (10+x)(300-10x)=3360

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