a) -(3+x)do potęgi 2 + 5(1-x) do 2 - 3(1-x) ( 1+x)=
b) 4(m=3m)do 2 + 3(4m-m)do2 - 2(m+m)(m-m)=
c)(a-1) do 3 - 4a(a=1) (a-1) +3(a-1)(a do 2+a+1)=
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a) -(9+6x+x do 2) + 5(1-2x+x do 2) - 3 ( 1-x do 2)
= -9 -6x - xdo2 + 5 - 10x + 5 xdo2 -3 + 3xdo 2=
-7 -16x +7 xdo 2
b) 4( m do 2 + 6m do 2 + 9m do 2) + 3 ( 16m do 2 - 8 m do 2 + m do 2) - 2mdo 2 + 2 m do 2=
64 mdo2+ 27m do 2= 37 m do 2
c mi sie nie chce robic