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|a|+|b|=6
ab=-8
a=-8/b
|-8/b|+|b|=6 obustronnie *b
|-8|+b^2=6b dla b>0
lub
-|-8|-b^2=6b dla b<0
b^2-6b+8=0 dla b>0
Δ=36-4*8=4
√Δ=√4=2
b_1=(6+2)/2=4
b_2=(6-2)/2=2
-b^2-6b-8=0 dla b<0
Δ=36-4*8=4
√Δ=√4=2
b_3=(-6+2)/2=-2
b_4=(-6-2)/2=-4
a_1=-8/b_1=-8/4=-2
a_2=-8/b_2=-8/2=-4
a_3=-8/b_3=-8/(-2)=4
a_4=-8/(-4)=2
szukane pary liczb to: a_1=-2 b_1=4 i a_2=-4 b_2=2 i a_3=2 b_3=-4 i a_4=4 b_4=-2