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(x+2+1)/(x+2) * (x-3)=x²+4x+3 /*(x+2) , x≠-2
(x+3)(x-3)=(x²+x+3x+3)(x+2)
(x+3)(x-3)=[x(x+1)+3(x+1)](x+2)
(x+3)(x-3)=(x+1)(x+3)(x+2)
(x+3)(x-3)-(x+1)(x+3)(x+2)=0
(x+3)*[(x-3)-(x+1)(x+2)]=0
(x+3)*(x-3-x²-2x-x-2)=0
-(x²+2x+5)(x+3)=0
x+3=0
x=-3
trojmian w nawiasie nie ma miejsc zerowych Δ=4-4*5<0
Odp. x=-3.