Zapisz w postaci iloczynowej x do 3-x do 2-9x+9
x³-x²-9x+9=
=x²(x-1)-9(x-1)=
=(x-1)(x²-9)=
=(x-1)(x-3)(x+3)
x²(x-1)-9(x-1)=(x-1)(x²-9)=(x-1)(X-3)(x+3)
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x³-x²-9x+9=
=x²(x-1)-9(x-1)=
=(x-1)(x²-9)=
=(x-1)(x-3)(x+3)
x²(x-1)-9(x-1)=(x-1)(x²-9)=(x-1)(X-3)(x+3)