wykonaj działania i zredukuj wyrazy podobne:
6x(2-y) do kwadratu+(x-2y)do trzeciej-(x-1)x(xx+1)
prosze o podanie mi wzoru lub taktyki mniozenia
pilne!!!
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6x(2-y)²+(x-2y)³-(x-1)x(xx-1)=
=6x(4-4y+y²)+x³-6x²y+12xy²-8y³-(x²-x)(x²-1)=
24x-24xy+6xy²+x³-6x²y+12xy²-8y³-x⁴+x²+x³-x=
23x+x²+2x³-x⁴-24xy+18xy²-6x²y-8y³