Y=u*v, y=u*v+u*v u*v+u*v+u*v=-x 2


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-y+y=x^2

y=u*v, y=u*v+u*v

-u*v+u*v+u*v=-x^2

u(-v+u)+u*v=-x^2

u* =-x^2

u=-x^2*



u=dx=(x^2+2x+2)*+C

y=*c=x^2+2x+2+c
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