ПОМОГИТЕ ПОЖАЛУЙСТА!Найдите площадь фигуры, ограниченной данными чертами.y=x^2-x,

-x+2x+3=0

-x-x+3x+3=0

-x(x+1)+3(x+1)=0

-(x-3)(x+1)=0

x=3 x=-1

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