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2x^2-3x+3-3+x^2=0
3x^2-3x=0
x^2-x=0 x=1 x=0
F(x)=3(x^3/3-x^2/2)=x^3-3x^2/2
F(0)=0
F(1)=-3/2
S=3/2
2x^2-x-2x-2=0
2x^2-3x-2=0
F(x)=2x^3/3-3x^2/2-2x
F(-1/2)=13/24
F(2)=16/3-6-4=16/3-10
S=115/24=4 19/24
